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

Vinegar \Vin"e*gar\, n. [OE. vinegre, F. vinaigre; vin wine (L.
   vinum) + aigre sour. See {Wine}, and {Eager}, a.]
   1. A sour liquid used as a condiment, or as a preservative,
      and obtained by the spontaneous (acetous) fermentation, or
      by the artificial oxidation, of wine, cider, beer, or the
      like.

   Note: The characteristic sourness of vinegar is due to acetic
         acid, of which it contains from three to five per cent.
         Wine vinegar contains also tartaric acid, citric acid,
         etc.

   2. Hence, anything sour; -- used also metaphorically.

            Here's the challenge: . . . I warrant there's
            vinegar and pepper in't.              --Shak.

   {Aromatic vinegar}, strong acetic acid highly flavored with
      aromatic substances.

   {Mother of vinegar}. See 4th {Mother}.

   {Radical vinegar}, acetic acid.

   {Thieves' vinegar}. See under {Thief}.

   {Vinegar eel} (Zo["o]l.), a minute nematode worm ({Leptodera
      oxophila}, or {Anguillula acetiglutinis}), commonly found
      in great numbers in vinegar, sour paste, and other
      fermenting vegetable substances; -- called also {vinegar
      worm}.

   {Vinegar lamp} (Chem.), a fanciful name of an apparatus
      designed to oxidize alcohol to acetic acid by means of
      platinum.

   {Vinegar plant}. See 4th {Mother}.

   {Vinegar tree} (Bot.), the stag-horn sumac ({Rhus typhina}),
      whose acid berries have been used to intensify the
      sourness of vinegar.

   {Wood vinegar}. See under {Wood}.

Stag \Stag\, n. [Icel. steggr the male of several animals; or a
   doubtful AS. stagga. Cf. {Steg}.]
   1. (Zo["o]l.)
      (a) The adult male of the red deer ({Cervus elaphus}), a
          large European species closely related to the American
          elk, or wapiti.
      (b) The male of certain other species of large deer.

   2. A colt, or filly; also, a romping girl. [Prov. Eng.]

   3. A castrated bull; -- called also {bull stag}, and {bull
      seg}. See the Note under {Ox}.

   4. (Stock Exchange)
      (a) An outside irregular dealer in stocks, who is not a
          member of the exchange. [Cant]
      (b) One who applies for the allotment of shares in new
          projects, with a view to sell immediately at a
          premium, and not to hold the stock. [Cant]

   5. (Zo["o]l.) The European wren. [Prov. Eng.]

   {Stag beetle} (Zo["o]l.), any one of numerous species of
      lamellicorn beetles belonging to {Lucanus} and allied
      genera, especially {L. cervus} of Europe and {L. dama} of
      the United States. The mandibles are large and branched,
      or forked, whence the name. The lava feeds on the rotten
      wood of dead trees. Called also {horned bug}, and {horse
      beetle}.

   {Stag dance}, a dance by men only. [slang, U.S.]

   {Stag hog} (Zo["o]l.), the babiroussa.

   {Stag-horn coral} (Zo["o]l.), any one of several species of
      large branching corals of the genus {Madrepora}, which
      somewhat resemble the antlers of the stag, especially
      {Madrepora cervicornis}, and {M. palmata}, of Florida and
      the West Indies.

   {Stag-horn fern} (Bot.), an Australian and West African fern
      ({Platycerium alcicorne}) having the large fronds branched
      like a stag's horns; also, any species of the same genus.
      

   {Stag-horn sumac} (Bot.), a common American shrub ({Rhus
      typhina}) having densely velvety branchlets. See {Sumac}.
      

   {Stag party}, a party consisting of men only. [Slang, U. S.]
      

   {Stag tick} (Zo["o]l.), a parasitic dipterous insect of the
      family {Hippoboscid[ae]}, which lives upon the stag and in
      usually wingless. The same species lives also upon the
      European grouse, but in that case has wings.

资料来源 : WordNet®

Rhus typhina
     n : deciduous shrubby tree or eastern North America with
         compound leaves that turn brilliant red in fall and dense
         panicles of greenish yellow flowers followed by crimson
         acidic berries [syn: {staghorn sumac}, {velvet sumac}, {Virginian
         sumac}, {vinegar tree}]