forkhead

The English word “forkhead” has 3 meanings listed here.

noun

A sequence of amino acids that forms a motif, in FOX proteins, that binds to DNA.
The forked end of a rod in a knuckle joint or similar.
An arrow with a barbed tip.

From fork + head.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.