eyelid /ˈaɪ.lɪd/noun 1forms 1phrases 1 noun1 •A thin skin membrane that covers and moves over an eye.By his neesings a light doth shine, and his eyes are like the eye-liddes of the morning. — 1611 formseyelids Phrases with eyelid bat an eyelidTo react in any slight way; to respond; to care.