fin

Noun

1. 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 protruding from a projectile, used to help keep it on course.
5. A similar structure on the bottom of a surfboard, used to help steer it.
6. 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.
7. A device worn by divers and swimmers on their feet.
8. An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
9. A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.
10. The conning tower of a submarine.
11. (UK, obsolete, slang) A person's hand.

Verb

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.

Pronounced as (IPA)

/fɪn/

Etymology

From Middle English fin, from Old English finn, from Proto-Germanic *finnō, *finǭ (“dorsal fin”) (compare Dutch vin, German Finne, Swedish finne, fena), from Proto-Indo-European *(s)pīn- (“backbone, dorsal fin”) (compare Old Irish ind (“end, point”), Latin pinna (“feather, wing, fin”), Tocharian A spin (“hook”).

Synonyms

flipper

🐬

wing

🪽

louver

paddle

louvre

fivesome

Little Phoebe

Phoebe

quintet

quintuplet

web

five

tailfin

burr

spine

flash

tail fin

pentad

swimfin

cinque

blade

break water

quint

strip

thorn

vane

webbing

whisker

fin keel

pisces

V

✌️

leaf blade

sentus

fish

🐟

5

bird’s foot

wing panel

skin needling

flash burr

air foil

barb

and feather

bur

dorsal

flap

folium

fur

gills

glove

hook

🪝

Translations

nageoire

Flosse

aleta

pinna

vin

aleta

barbatana

płetwa

aleta

nadadeira

impennaggio

yüzgeç

empennage

aletta

Grat

Sentences

The adipose fin is usually very long .