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Definition fin

Etymology 1

From Middle English fin, from Old English finn, from Proto-Germanic *finn?, *fin? (�dorsal fin�) (compare Dutch vin, German Finne, Swedish finne, fena), from Proto-Indo-European *(s)p?n- (�backbone, dorsal fin�) (compare Old Irish ind (�end, point�), Latin pinna (�feather, wing�), Tocharian A spin (�hook�), Sanskrit ????? (sphy�, �splinter, staff�).

Noun

fin (plural fins)

1. (ichthyology) One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.
2. A similar appendage of a cetacean or other marine animal.
3. A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.
4. A similar structure on the tail of a bomb, used to help keep it on course.
5. 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.
6. A device worn by divers and swimmers on their feet.
7. An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
8. A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.

Verb

fin (third-person singular simple present fins, present participle finning, simple past and past participle finned)

1. (transitive) To cut the fins from a fish, shark, etc.
2. (intransitive) (Of a fish) to swim with the dorsal fin above the surface of the water.
3. (intransitive) To swim in the manner of a fish.
4. (transitive) To provide (a motor vehicle etc) with fins.

Etymology 2

From Yiddish ?????‎ (finf, �five�).

Noun

fin (plural fins)

1. (Britain, formerly Australia, slang) a five-pound (�5) note; the sum of five pounds.
2. (US, slang) a five-dollar bill; the sum of five dollars.

Results 169 Words with the letters FIN

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