The Collaborative International Dictionary of English v.0.48:

Leather \Leath"er\ (l[e^][th]"[~e]r), n. [OE. lether, AS.
   le[eth]er; akin to D. leder, le[^e]r, G. leder, OHG. ledar,
   Icel. le[eth]r, Sw. l[aum]der, Dan. l[ae]der.]
   1. The skin of an animal, or some part of such skin, with the
      hair removed, and tanned, tawed, or otherwise dressed for
      use; also, dressed hides, collectively.
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   2. The skin. [Ironical or Sportive]
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   Note: Leather is much used adjectively in the sense of made
         of, relating to, or like, leather.
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   Leather board, an imitation of sole leather, made of
      leather scraps, rags, paper, etc.

   Leather carp (Zool.), a variety of carp in which the scales
      are all, or nearly all, absent. See Illust. under Carp.


   Leather jacket. (Zool.)
      (a) A California carangoid fish (Oligoplites saurus).
      (b) A trigger fish (Balistes Carolinensis).

   Leather flower (Bot.), a climbing plant (Clematis Viorna)
      of the Middle and Southern States having thick, leathery
      sepals of a purplish color.

   Leather leaf (Bot.), a low shrub (Cassandra calyculata),
      growing in Northern swamps, and having evergreen,
      coriaceous, scurfy leaves.

   Leather plant (Bot.), one or more New Zealand plants of the
      composite genus Celmisia, which have white or buff
      tomentose leaves.

   Leather turtle. (Zool.) See Leatherback.

   Vegetable leather.
      (a) An imitation of leather made of cotton waste.
      (b) Linen cloth coated with India rubber. --Ure.
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The Collaborative International Dictionary of English v.0.48:

Trigger \Trig"ger\, n. [For older tricker, from D. trekker, fr.
   trekken to draw, pull. See Trick, n.]
   1. A catch to hold the wheel of a carriage on a declivity.
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   2. (Mech.) A piece, as a lever, which is connected with a
      catch or detent as a means of releasing it; especially
      (Firearms), the part of a lock which is moved by the
      finger to release the cock and discharge the piece.
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   Trigger fish (Zool.), a large plectognath fish (Balistes
      Carolinensis or Balistes capriscus) common on the
      southern coast of the United States, and valued as a food
      fish in some localities. Its rough skin is used for
      scouring and polishing in the place of sandpaper. Called
      also leather jacket, and turbot.
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