Meaning of 'fin'

noun

organ of locomotion and balance in fishes and some other aquatic animals

Example: "Some fish have pectoral and dorsal fins."

noun

a stabilizer on a ship that resembles the fin of a fish

Example: "I scraped barnacles off the fins of my new boat."

noun

a shoe for swimming

Example: "I put on a pair of fins before I went snorkelling."

Synonyms: flipper

noun

one of a set of parallel slats in a door or window to admit air and reject rain

Example: "My new door had fins made out of mahogany."

Synonyms: louver louvre

noun

one of a pair of decorations projecting above the rear fenders of an automobile

Example: "Fins on the back of your car were very popular in the 1950s."

Synonyms: tail fin tailfin

verb

to show the fins above the water while swimming

Example: "The sharks were finning near the surface."

Synonyms: break water

verb

to propel oneself through the water in a finning motion

Example: "I finned quickly in the pool."

verb

to equip a car with fins

Example: "I finned my new racer."