1. (noun)brain, encephalon that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
2. (noun)brain, brainpower, learning ability, mental capacity, mentality, wit mental ability
"he's got plenty of brains but no common sense"
3. (noun)mind, head, brain, psyche, nous 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"
4. (noun)genius, mastermind, brain, brainiac, Einstein someone who has exceptional intellectual ability and originality
"Mozart was a child genius"; "he's smart but he's no Einstein"
5. (noun)brain the brain of certain animals used as meat
Definition of 'brain':
