Turbot \Tur"bot\, n. [F.; -- probably so named from its shape, and from L. turbo a top, a whirl.]

(Zo["o]l.)
   (a) A large European flounder (Rhombus maximus) highly esteemed as a food fish. It often weighs from thirty to forty pounds. Its color on the upper side is brownish with small roundish tubercles scattered over the surface. The lower, or blind, side is white. Called also bannock fluke.
   (b) Any one of numerous species of flounders more or less related to the true turbots, as the American plaice, or summer flounder (see Flounder), the halibut, and the diamond flounder (Hypsopsetta guttulata) of California.
   (c) The filefish; -- so called in Bermuda.
   (d) The trigger fish.

Spotted turbot. See Windowpane.

Source: Webster's Revised Unabridged Dictionary (1913)
 

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.

Source: Webster's Revised Unabridged Dictionary (1913)