forkhead

English edit

From fork +‎ head.

forkhead (plural forkheads)

(biochemistry) 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.
(obsolete) An arrow with a barbed tip.
- 1590, Edmund Spenser, “Book III, Canto V”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:
  With that at him a quiv'ring dart he threw, / With so fell force, and villeinous despite, / That through his haberjeon the forkehead flew, / And through the linked mayles empierced quite […]
(minced oath) Euphemistic form of fuckhead.