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

Top \Top\, n. [AS. top; akin to OFries. top a tuft, D. top top,
   OHG. zopf end, tip, tuft of hair, G. zopf tuft of hair,
   pigtail, top of a tree, Icel. toppr a tuft of hair, crest,
   top, Dan. top, Sw. topp pinnacle, top; of uncertain origin.
   Cf. {Tuft}.]
   1. The highest part of anything; the upper end, edge, or
      extremity; the upper side or surface; summit; apex;
      vertex; cover; lid; as, the top of a spire; the top of a
      house; the top of a mountain; the top of the ground.

            The star that bids the shepherd fold, Now the top of
            heaven doth hold.                     --Milton.

   2. The utmost degree; the acme; the summit.

            The top of my ambition is to contribute to that
            work.                                 --Pope.

   3. The highest rank; the most honorable position; the utmost
      attainable place; as, to be at the top of one's class, or
      at the top of the school.

            And wears upon his baby brow the round And top of
            sovereignty.                          --Shak.

   4. The chief person; the most prominent one.

            Other . . . aspired to be the top of zealots.
                                                  --Milton.

   5. The crown of the head, or the hair upon it; the head.
      ``From top to toe'' --Spenser.

            All the stored vengeance of Heaven fall On her
            ungrateful top !                      --Shak.

   6. The head, or upper part, of a plant.

            The buds . . . are called heads, or tops, as
            cabbageheads.                         --I. Watts.

   7. (Naut.) A platform surrounding the head of the lower mast
      and projecting on all sudes. It serves to spead the
      topmast rigging, thus strengheningthe mast, and also
      furnishes a convenient standing place for the men aloft.
      --Totten.

   8. (Wool Manuf.) A bundle or ball of slivers of comkbed wool,
      from which the noils, or dust, have been taken out.

   9. Eve; verge; point. [R.] ``He was upon the top of his
      marriage with Magdaleine.'' --Knolles.

   10. The part of a cut gem between the girdle, or
       circumference, and the table, or flat upper surface.
       --Knight.

   11. pl. Top-boots. [Slang] --Dickens.

   Note: Top is often used adjectively or as the first part of
         compound words, usually self-explaining; as, top stone,
         or topstone; top-boots, or top boots; top soil, or
         top-soil.

   {Top and but} (Shipbuilding), a phrase used to denote a
      method of working long tapering planks by bringing the but
      of one plank to the top of the other to make up a constant
      breadth in two layers.

   {Top minnow} (Zo["o]l.), a small viviparous fresh-water fish
      ({Gambusia patruelis}) abundant in the Southern United
      States. Also applied to other similar species.