Fin — synonyms, definition

1. fin (Noun) informal, US

Louvre appendage arm baffle bend block branch breakwater crook five dollar bill five-spot fiver flipper fluke hindrance hook limb louver maze member • • •

fin (Noun) — Organ of locomotion and balance in fishes and some other aquatic animals.

fin (Noun) — One of a pair of decorations projecting above the rear fenders of an automobile.

fin (Noun) — One of a set of parallel slats in a door or window to admit air and reject rain.

fin (Noun) — A shoe for swimming; the paddle-like front is an aid in swimming (especially underwater).

fin (Noun) — A stabilizer on a ship that resembles the fin of a fish.

fin (Noun) — A United States bill worth 5 dollars.

Banknote Federal Reserve note appendage bank bill bank note banker's bill bill decoration extremity government note greenback member note ornament ornamentation shoe slat spline stabiliser stabilizer caudal fin dorsal fin nickel nickel note pectoral fin pelvic fin tail fin vane ventral fin ray Jalousie auto automobile car fish machine motorcar ship

2. fin (Verb) informal, US

break water

fin (Verb) — Equip (a car) with fins.

fin (Verb) — (water sport) propel oneself through the water in a finning motion.

fin (Verb) — Show the fins above the water while swimming. ex. "The sharks were finning near the surface"

equip fit fit out outfit swim