Search results for 'brain':

brain noun 1 the highly developed mass of nervous tissue that co-ordinates and controls the activities of the central nervous system of animals. 2 (especially brains) colloq cleverness; intelligence • It takes brains to do that job. 3 (especially brains or the brains) colloq a very clever person. 4 (usually brains) colloq a person who thinks up and controls a plan, etc • He was the brains behind the idea. verb (brained, braining) colloq 1 to hit someone hard on the head. 2 to dash out or smash someone's brains. brained adj, especially in compounds having a brain or brains of a specified type • hare-brained • scatterbrained. brainless adj. brainlessly adverb. have something on the brain colloq to be unable to stop thinking about it; to be obsessed by it. pick someone's brains see under pick¹.
ETYMOLOGY: Anglo-Saxon brægen.