snapper

noun, plural (especially collectively) snap·per, (especially referring to two or more kinds or species) snap·pers for 1, 2; snap·pers for 3–5.

1. any of several large marine food fishes of the family Lutjanidae.
2. any of various other fishes, as the bluefish, Pomatomus saltatrix.
3. snapping turtle.
4. Informal. a person in charge of a group of workers.
5. a tuft or knot of cotton, horsehair, hemp, etc., at the tip of a whip’s lash; cracker; popper.