Fin

Quick meaning: Fin is a noun meaning (ichthyology, zootomy) One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.

Meaning

(ichthyology, zootomy) One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.

More Meanings

1. A similar appendage of a cetacean or other marine animal.
2. A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.
3. A similar structure protruding from a projectile, used to help keep it on course.
4. (surfing) A similar structure on the bottom of a surfboard, used to help steer it.
5. A device worn by divers and swimmers on their feet.
6. An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
7. A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.

Example Sentences

a dolphin's fin

The fish's fins minimize water flow.

The divers wore fins to swim faster.

The fin stabilises the plane in flight.

Word Forms

• fins
• finning
• finned

Synonyms for fin

Depending on context, synonyms include flipper, vane, finny, fiver, finnuf, finis.

Related Words

Related dictionary entries include tailfin, flipper, phoebe, louver, v, fivesome.

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