plica semilunaris
noun
plica semi·lu·na·ris
-ˌsem-i-ˌlü-ˈnar-əs 
plural plicae semilunares
-(ˌ)ēz
: 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
Cite this Entry
“Plica semilunaris.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/plica%20semilunaris. Accessed 6 Dec. 2025.
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