[plait] n [ME pleit, fr. MF, fr. (assumed) VL plicitum, fr. neut. of L plicitus, pp. of plicare to fold--more at ply] (14c) 1: pleat
2: a braid of material (as hair or straw); specif: pigtail
[2]plait vt (14c) 1: pleat 1
2. a: to interweave the strands or locks of: braid b: to make by plaiting -- plait.er n