1.that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
2.mental ability;
he's got plenty of brains but no common sense
3.that which is responsible for one's thoughts and feelings; the seat of the faculty of reason;
his mind wandered
4.someone who has exceptional intellectual ability and originality;
Mozart was a child genius
5.the brain of certain animals used as meat
1.hit on the head
2.kill by smashing someone's skull