coif /kwɑf/noun 4verb 1forms 5 noun4 •A hairdo. •An official headdress, such as that worn by certain judges in England.From point and saucy ermine down / To the plain coif and russet gown. — 1744 •(historical) A hood; a close-fitting cap covering much of the head, widespread until the 18th century; after that worn only by small children and country women. •(historical) A similar item of mail armour covering the head. verb1 •To style or arrange hair.Circe’s this craft, the trim-coifed goddess. — 1925 formscoifed · coiffed · coiffing · coifing · coifs