lid
n. countablen. a removable cover for a container that keeps things inside or protects them. You usually pull or twist it off to open the jar or box.
n. a removable or hinged cover for the top of a container, serving to close or seal it.
Please put the lid back on the jar of jam.
The chef lifted the lid of the pot to check if the soup was boiling.
Archaeologists carefully removed the heavy stone lid of the sarcophagus to reveal the artifacts preserved within the ancient tomb.
Inherited from Middle English lid, lyd, from Old English hlid, from Proto-West Germanic hlid, from Proto-Germanic hlidą (compare Dutch lid, German Lid (“eyelid”), Swedish lid (“gate”)), from Proto-Indo-European ḱlitós (“covered”), from Proto-Indo-European ḱley- (“to cover”).
Often used with the prepositions 'on' or 'off'.