to plait is a form of:

Plait



ENGLISH MEANING
noun
1.
A flat fold; a doubling, as of cloth; a pleat; as, a box plait.
2.
A braid, as of hair or straw; a plat.
verb
1.
(TRANSITIVE) To fold; to double in narrow folds; to pleat; as, to plait a ruffle.
2.
(TRANSITIVE) To interweave the strands or locks of; to braid; to plat; as, to plait hair; to plait rope.