n. 襞, 褶

[医] [皱]襞, 褶

[ noun ]
a folded part (as in skin or muscle)
<noun.body>

Plica \Pli"ca\, n. [LL., a fold, fr. L. plicare to fold. See
{Ply}, v.]
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}.
--Dunglison.

2. (Bot.) A diseased state in plants in which there is an
excessive development of small entangled twigs, instead of
ordinary branches.

3. (Zo["o]l.) The bend of the wing of a bird.