Also called pli·ca po·lon·i·ca /pəˈlɒnɪkə/Show Spelled[puh-lon-i-kuh]Show IPA.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.
Origin: 1675–85; < Medieval Latin: a fold, back formation from Latinplicāre to fold, ply2