fins is a form of:

Fin



noun
1.
ស្លាបតូច airplane filthy ស្លាប, កន្ទុយ (ផ្នែកដែលបះបើកៗ នៅចុងស្លាបខាងក្រោយ)
ENGLISH MEANING
noun
1.
End; conclusion; object.
2.
An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water.
3.
A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.
4.
A finlike organ or attachment; a part of an object or product which protrudes like a fin
5.
A blade of whalebone.
6.
A mark or ridge left on a casting at the junction of the parts of a mold.
7.
The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling.
8.
A finlike appendage, as to submarine boats.
9.
A fixed stabilizing surface, usually vertical, similar in purpose to a bilge keel on a ship.
verb
1.
(TRANSITIVE) To carve or cut up, as a chub.
1.
The hand
2.
A feather, a spline