Definition of lid

• n. - That which covers the opening of a vessel or box, etc.; a movable cover; as, the lid of a chest or trunk.
• n. - The cover of the eye; an eyelid.
• n. - The cover of the spore cases of mosses.
• n. - A calyx which separates from the flower, and falls off in a single piece, as in the Australian Eucalypti.
• n. - The top of an ovary which opens transversely, as in the fruit of the purslane and the tree which yields Brazil nuts.