. | 1. | Zoology, Anatomy. a fold or folding. |
| 2. | Also called pli⋅ca po⋅lon⋅i⋅ca [puh-lon-i-kuh] . Pathology. a matted, filthy condition of the hair, caused by disease, vermin, etc. |
| 3. | (in medieval music) a vertical mark attached to a neume, standing for an interpolated melodic ornament. |
plica pli·ca (plī'kə)
n. pl. pli·cae (-kē)
A fold or ridge, as of skin or membrane.
See false membrane.