Plait n.
 1. A flat fold; a doubling, as of cloth; a pleat; as, a box plait.
    The plaits and foldings of the drapery.   --Addison.
 2. A braid, as of hair or straw; a plat.
 Polish plait. Med. Same as Plica.


 Pli·ca n.
 1. Med. A disease of the hair (Plica polonica), in which it becomes twisted and matted together. The disease is of Polish origin, and is hence called also Polish plait.
 2. Bot. A diseased state in plants in which there is an excessive development of small entangled twigs, instead of ordinary branches.
 3. Zool. The bend of the wing of a bird.

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