fin has definitions from the fields of zoology,nautical,clothing,mathematics
1
[ noun ] (nautical) a stabilizer that resembles the fins of a fish

Related terms

stabilizer vane ship

2
[ noun ] (clothing) a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)

Synonyms

flippers fins flipper

Related terms

shoe

3
[ noun ] one of a set of parallel slats in a door or window to admit air and reject rain

Synonyms

louvre louver

Related terms

slat jalousie

4
[ noun ] one of a pair of decorations projecting above the rear fenders of an automobile

Synonyms

tailfin tail_fin

Related terms

decoration car

5
[ noun ] (mathematics) the cardinal number that is the sum of four and one

Related terms

digit

6
[ verb ] show the fins above the water while swimming (of fish)

Synonyms

break_water

Examples

"The sharks were finning near the surface"

Related terms

swim

7
[ verb ] propel oneself through the water in a finning motion

Related terms

swim water_sport

8
[ verb ] equip with fins, as of a car

Related terms

equip tail_fin

9
[ noun ] (zoology) organ of locomotion and balance in fishes and some other aquatic animals
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