Meaning

noun a hairdo formed by braiding or twisting the hair

noun any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape

verb make by braiding or interlacing

originFrom Middle English pleit, from Anglo-Norman pleit (compare Old French ploit), from Latin plectō, which is akin to Old Norse flétta (Danish flette), Russian плести́ (plestí) and also to Old English fleohtan, which it displaced. Doublet of plight (“plait, fold”) and pleat.

Etymology from Wiktionary, CC BY-SA 3.0