Fin

/fɪn/

Meaning & Definition

noun

A flattened appendage on the body of a fish or other aquatic animal, used for propulsion, steering, and balance.

The dolphin swam gracefully, its dorsal fin cutting through the water.

Any of several similar structures on a machine or vehicle, designed to provide stability or control.

The aircraft's fin helped to maintain a steady flight path.

The fringe or edge of something.

The fabric had a decorative fin along the hem.

verb

To provide something with fins.

The engineer decided to fin the new model to improve its stability.

Middle English, from Old French 'finn' and from Latin 'pinna', meaning wing or fin.

fin of a fish

Refers to the specific fin of a fish.

fin up

To finish or complete something.

fin in the water

A sign of a shark or large fish; often used to indicate danger.

fin-like

Resembling or having the characteristics of a fin.

finback

A type of whale distinguished by a fin on its back.

finless

Without fins.

Money or profit.

He made a big fin from that investment.

An advantage or upper hand.

Having that insider info gave him a real fin in the deal.