catflap.org Online Dictionary Query

  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.
  
     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.
  
     Trigger fish (Zo["o]l.), a large plectognath fish
        ({Balistes Carolinensis or B. 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.