资料来源 : Webster's Revised Unabridged Dictionary (1913)

   {Jack rabbit} (Zo["o]l.), any one of several species of large
      American hares, having very large ears and long legs. The
      California species ({Lepus Californicus}), and that of
      Texas and New Mexico ({L. callotis}), have the tail black
      above, and the ears black at the tip. They do not become
      white in winter. The more northern prairie hare ({L.
      campestris}) has the upper side of the tail white, and in
      winter its fur becomes nearly white.

   {Jack rafter} (Arch.), in England, one of the shorter rafters
      used in constructing a hip or valley roof; in the United
      States, any secondary roof timber, as the common rafters
      resting on purlins in a trussed roof; also, one of the
      pieces simulating extended rafters, used under the eaves
      in some styles of building.

   {Jack salmon} (Zo["o]l.), the wall-eyed pike, or glasseye.

   {Jack sauce}, an impudent fellow. [Colloq. & Obs.]

   {Jack shaft} (Mach.), the first intermediate shaft, in a
      factory or mill, which receives power, through belts or
      gearing, from a prime mover, and transmits it, by the same
      means, to other intermediate shafts or to a line shaft.

   {Jack sinker} (Knitting Mach.), a thin iron plate operated by
      the jack to depress the loop of thread between two
      needles.

   {Jack snipe}. (Zo["o]l.) See in the Vocabulary.

   {Jack staff} (Naut.), a staff fixed on the bowsprit cap, upon
      which the jack is hoisted.

   {Jack timber} (Arch.), any timber, as a rafter, rib, or
      studding, which, being intercepted, is shorter than the
      others.

   {Jack towel}, a towel hung on a roller for common use.

   {Jack truss} (Arch.), in a hip roof, a minor truss used where
      the roof has not its full section.

   {Jack tree}. (Bot.) See 1st {Jack}, n.

   {Jack yard} (Naut.), a short spar to extend a topsail beyond
      the gaff.

   {Blue jack}, blue vitriol; sulphate of copper.

   {Hydraulic jack}, a jack used for lifting, pulling, or
      forcing, consisting of a compact portable hydrostatic
      press, with its pump and a reservoir containing a supply
      of liquid, as oil.

   {Jack-at-a-pinch}.
       (a) One called upon to take the place of another in an
           emergency.
       (b) An itinerant parson who conducts an occasional
           service for a fee.

   {Jack-at-all-trades}, one who can turn his hand to any kind
      of work.

   {Jack-by-the-hedge} (Bot.), a plant of the genus {Erysimum}
      ({E. alliaria}, or {Alliaria officinalis}), which grows
      under hedges. It bears a white flower and has a taste not
      unlike garlic. Called also, in England, {sauce-alone}.
      --Eng. Cyc.

   {Jack-in-a-box}.
       (a) (Bot.) A tropical tree ({Hernandia sonora}), which
           bears a drupe that rattles when dry in the inflated
           calyx.
       (b) A child's toy, consisting of a box, out of which,
           when the lid is raised, a figure springs.
       (c) (Mech.) An epicyclic train of bevel gears for
           transmitting rotary motion to two parts in such a
           manner that their relative rotation may be variable;
           applied to driving the wheels of tricycles, road
           locomotives, and to cotton machinery, etc.; an
           equation box; a jack frame; -- called also
           {compensating gearing}.
       (d) A large wooden screw turning in a nut attached to the
           crosspiece of a rude press.

   {Jack-in-office}, an insolent fellow in authority. --Wolcott.

   {Jack-in-the-bush} (Bot.), a tropical shrub with red fruit
      ({Cordia Cylindrostachya}).

   {Jack-in-the-green}, a chimney sweep inclosed in a framework
      of boughs, carried in Mayday processions.

   {Jack-in-the-pulpit} (Bot.), the American plant {Aris[ae]ma
      triphyllum}, or Indian turnip, in which the upright spadix
      is inclosed.

   {Jack-of-the-buttery} (Bot.), the stonecrop ({Sedum acre}).
      

   {Jack-of-the-clock}, a figure, usually of a man, on old
      clocks, which struck the time on the bell.

   {Jack-on-both-sides}, one who is or tries to be neutral.

   {Jack-out-of-office}, one who has been in office and is
      turned out. --Shak.

   {Jack the Giant Killer}, the hero of a well-known nursery
      story.

   {Jack-with-a-lantern}, {Jack-o'-lantern}.
       (a) An ignis fatuus; a will-o'-the-wisp. ``[Newspaper
           speculations] supplying so many more jack-o'-lanterns
           to the future historian.'' --Lowell.
       (b) A lantern made of a pumpkin so prepared as to show in
           illumination the features of a human face, etc.

   {Yellow Jack} (Naut.), the yellow fever; also, the quarantine
      flag. See {Yellow flag}, under {Flag}.

Wall \Wall\, n. [AS. weall, from L. vallum a wall, vallus a
   stake, pale, palisade; akin to Gr. ? a nail. Cf. {Interval}.]
   1. A work or structure of stone, brick, or other materials,
      raised to some height, and intended for defense or
      security, solid and permanent inclosing fence, as around a
      field, a park, a town, etc., also, one of the upright
      inclosing parts of a building or a room.

            The plaster of the wall of the King's palace. --Dan.
                                                  v. 5.

   2. A defense; a rampart; a means of protection; in the
      plural, fortifications, in general; works for defense.

            The waters were a wall unto them on their right
            hand, and on their left.              --Ex. xiv. 22.

            In such a night, Troilus, methinks, mounted the
            Troyan walls.                         --Shak.

            To rush undaunted to defend the walls. --Dryden.

   3. An inclosing part of a receptacle or vessel; as, the walls
      of a steam-engine cylinder.

   4. (Mining)
      (a) The side of a level or drift.
      (b) The country rock bounding a vein laterally. --Raymond.

   Note: Wall is often used adjectively, and also in the
         formation of compounds, usually of obvious
         signification; as in wall paper, or wall-paper; wall
         fruit, or wall-fruit; wallflower, etc.

   {Blank wall}, Blind wall, etc. See under {Blank}, {Blind},
      etc.

   {To drive to the wall}, to bring to extremities; to push to
      extremes; to get the advantage of, or mastery over.

   {To go to the wall}, to be hard pressed or driven; to be the
      weaker party; to be pushed to extremes.

   {To take the wall}. to take the inner side of a walk, that
      is, the side next the wall; hence, to take the precedence.
      ``I will take the wall of any man or maid of Montague's.''
      --Shak.

   {Wall barley} (Bot.), a kind of grass ({Hordeum murinum})
      much resembling barley; squirrel grass. See under
      {Squirrel}.

   {Wall box}. (Mach.) See {Wall frame}, below.

   {Wall creeper} (Zo["o]l.), a small bright-colored bird
      ({Tichodroma muraria}) native of Asia and Southern Europe.
      It climbs about over old walls and cliffs in search of
      insects and spiders. Its body is ash-gray above, the wing
      coverts are carmine-red, the primary quills are mostly red
      at the base and black distally, some of them with white
      spots, and the tail is blackish. Called also {spider
      catcher}.

   {Wall cress} (Bot.), a name given to several low cruciferous
      herbs, especially to the mouse-ear cress. See under
      {Mouse-ear}.

   {Wall frame} (Mach.), a frame set in a wall to receive a
      pillow block or bearing for a shaft passing through the
      wall; -- called also {wall box}.

   {Wall fruit}, fruit borne by trees trained against a wall.

   {Wall gecko} (Zo["o]l.), any one of several species of Old
      World geckos which live in or about buildings and run over
      the vertical surfaces of walls, to which they cling by
      means of suckers on the feet.

   {Wall lizard} (Zo["o]l.), a common European lizard ({Lacerta
      muralis}) which frequents houses, and lives in the chinks
      and crevices of walls; -- called also {wall newt}.

   {Wall louse}, a wood louse.

   {Wall moss} (Bot.), any species of moss growing on walls.

   {Wall newt} (Zo["o]l.), the wall lizard. --Shak.

   {Wall paper}, paper for covering the walls of rooms; paper
      hangings.

   {Wall pellitory} (Bot.), a European plant ({Parictaria
      officinalis}) growing on old walls, and formerly esteemed
      medicinal.

   {Wall pennywort} (Bot.), a plant ({Cotyledon Umbilicus})
      having rounded fleshy leaves. It is found on walls in
      Western Europe.

   {Wall pepper} (Bot.), a low mosslike plant ({Sedum acre})
      with small fleshy leaves having a pungent taste and
      bearing yellow flowers. It is common on walls and rocks in
      Europe, and is sometimes seen in America.

   {Wall pie} (Bot.), a kind of fern; wall rue.

   {Wall piece}, a gun planted on a wall. --H. L. Scott.

   {Wall plate} (Arch.), a piece of timber placed horizontally
      upon a wall, and supporting posts, joists, and the like.
      See Illust. of {Roof}.

   {Wall rock}, granular limestone used in building walls. [U.
      S.] --Bartlett.

   {Wall rue} (Bot.), a species of small fern ({Asplenium
      Ruta-muraria}) growing on walls, rocks, and the like.

   {Wall spring}, a spring of water issuing from stratified
      rocks.

   {Wall tent}, a tent with upright cloth sides corresponding to
      the walls of a house.

   {Wall wasp} (Zo["o]l.), a common European solitary wasp
      ({Odynerus parietus}) which makes its nest in the crevices
      of walls.

Creeping Charlie \Creep"ing Char"lie\
   The stonecrop ({Sedum acre}).

Stonecrop \Stone"crop`\, n. [AS. st[=a]ncropp.]
   1. A sort of tree. [Obs.] --Mortimer.

   2. (Bot.) Any low succulent plant of the genus {Sedum}, esp.
      {Sedum acre}, which is common on bare rocks in Europe, and
      is spreading in parts of America. See {Orpine}.

   {Virginian}, or {Ditch}, {stonecrop}, an American plant
      ({Penthorum sedoides}).

资料来源 : WordNet®

Sedum acre
     n : mossy European creeping sedum with yellow flowers; widely
         introduced as a ground cover [syn: {wall pepper}]