1) Eyelid 2) Lid 1) Eyelid 2) Protective fold 
• (n.) The eyelid.
eyelid; either of the two movable folds that protect the anterior surface of the eyeball.
<anatomy> An eyelid, either of the two movable folds that protect the anterior surface of the eyeball. ... (18 Nov 1997) ... 
(pal´pә-brә) Latin word meaning eyelid; a term used in anatomy.
Pal'pe·bra noun ; plural Palpebræ . [ Latin ] (Zoology) The eyelid. 
Type: Term Pronunciation: pal′pĕ-bră, -pē′brē Synonyms: eyelid
Palpebra: The eyelid. The plural is palpebrae and the adjective is palpebral, as in palpebral fissure.
(pal;pue-brua) An eyelid.
palpebra (s), palpebrae (pl) 1. Either of two folds of skin that can be moved to cover or open the eye. 2. An eyelid or eyelids.
Latin = eyelid, probably from palpitare = to flutter.