Meaning & Definition of word "Fin"

Fin

/fɪn/

1. A flattened appendage on the body of a fish or other aquatic animal, used for propulsion, steering, and balance.
- Example: The dolphin swam gracefully, its dorsal fin cutting through the water.
2. Any of several similar structures on a machine or vehicle, designed to provide stability or control.
- Example: The aircraft's fin helped to maintain a steady flight path.
3. The fringe or edge of something.
- Example: The fabric had a decorative fin along the hem.

1. To provide something with fins.
- Example: 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.

Meaning: Money or profit.

Example Sentence: He made a big fin from that investment.

Meaning: An advantage or upper hand.

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