n. 1 a hinged or removable cover, esp. for the top of a container. 2 = EYELID. 3 the operculum of a shell or a plant. 4 sl. a hat. put the lid (or tin lid) on Brit. colloq. 1 be the culmination of. 2 put a stop to. take the lid off colloq. expose (a scandal etc.). lidded adj. (also in comb.). lidless adj.
[ OE hlid f. Gmc ]