lid

(noun) either of two folds of skin that can be moved to cover or open the eye. Synonyms: eyelid, palpebra. Example: "His lids would stay open no longer."

(noun) a movable top or cover (hinged or separate) for closing the opening at the top of a box, chest, jar, pan, etc.. Example: "He raised the piano lid."

(noun) headdress that protects the head from bad weather; has shaped crown and usually a brim. Synonyms: hat, chapeau.