Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: brain  breyn
  1. That part of the central nervous system that includes all the higher nervous centres; enclosed within the skull; continuous with the spinal cord
    - encephalon
  2. Mental ability
    "he's got plenty of brains but no common sense";
    - brainpower, learning ability, mental capacity, mentality, wit, smarts [N. Amer, Austral, informal]
  3. That which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason
    "his brain wandered";
    - mind, head, loaf [Brit, informal]
  4. Someone who has exceptional intellectual ability and originality
    - genius, mastermind, brainiac [N. Amer], Einstein, smart cookie [N. Amer, informal], brainbox [Brit, informal]
  5. The brain of certain animals used as meat
Verb: brain  breyn
  1. Hit on the head
  2. Kill by smashing someone's skull

Sounds like: brane

Derived forms: braining, brained, brains

Type of: cognition, hit, intellect, intellectual, intelligence, kill, knowledge, neural structure, noesis, organs, variety meat

Part of: bean [informal], bonce [Brit, informal], caput [technical], central nervous system, CNS, dome [informal], head, napper [Brit, informal], nob [informal], noggin [informal], noodle [informal], nut [informal], skull [informal], systema nervosum centrale

Encyclopedia: Brain, George