plica semilunaris

plica semi·lu·na·ris

noun \-ˌsem-i-ˌlü-ˈnar-əs\

plural plicae semi·lu·na·res \-(ˌ)ēz\

Definition of PLICA SEMILUNARIS

: the vertical fold of conjunctiva that occupies the canthus of the eye nearer the nose and is homologous to the nictitating membrane of lower animals