The noun brain has 5 senses (first 4 from tagged texts)
1. (22) 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. (5) brain, brainpower, learning ability, mental capacity, mentality, wit -- (mental ability; "he's got plenty of brains but no common sense")
3. (5) 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. (3) 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. brain -- (the brain of certain animals used as meat)
Overview of verb brain
The verb brain has 2 senses (no senses from tagged texts)