n. & v.
n. 1 oily or fatty matter esp. as a lubricant. 2 the melted fat of a dead animal. 3 oily matter in unprocessed wool.
v.tr. smear or lubricate with grease. grease-gun a device for pumping grease under pressure to a particular point. grease the palm of colloq. bribe. like greased lightning colloq. very fast. greaseless adj.
[ ME f. AF grece, gresse, OF graisse ult. f. L crassus (adj.) fat ]