Brain - Definition

n 1: that part of the central nervous system that includes all
the higher nervous centers; enclosed within the skull;
continuous with the spinal cord [syn: brain,
encephalon]
2: mental ability; "he's got plenty of brains but no common
sense" [syn: brain, brainpower, learning ability,
mental capacity, mentality, wit]
3: that which is responsible for one's thoughts and feelings;
the seat of the faculty of reason; "his mind wandered"; "I
couldn't get his words out of my head" [syn: mind, head,
brain, psyche, nous]
4: someone who has exceptional intellectual ability and
originality; "Mozart was a child genius"; "he's smart but
he's no Einstein" [syn: genius, mastermind, brain,
brainiac, Einstein]
5: the brain of certain animals used as meat
v 1: hit on the head
2: kill by smashing someone's skull