palpebra n 1: either of two folds of skin that can be moved to cover or open the eye; "his lids would stay open no longer" [syn: {eyelid}, {lid}, {palpebra}]
Palpebra \Pal"pe*bra\, n.; pl. {Palpebr[ae]}. [L.] (Zool.) The eyelid. [1913 Webster]