Synonym: Einstein, brainiac, brainpower, encephalon, genius, head, learning ability, mastermind, mental capacity, mentality, mind, nous, psyche, wit. Similar words: drain, strain, trainer, raining, terrain, by train, grained, training. Meaning: [breɪn] 
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 2. mental ability 3. that which is responsible for one's thoughts and feelings; the seat of the faculty of reason 4. someone who has exceptional intellectual ability and originality 5. the brain of certain animals used as meat. v. 1. hit on the head 2. kill by smashing someone's skull.
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 2. mental ability 3. that which is responsible for one's thoughts and feelings; the seat of the faculty of reason 4. someone who has exceptional intellectual ability and originality 5. the brain of certain animals used as meat. v. 1. hit on the head 2. kill by smashing someone's skull. 
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121. Exercise dilates blood vessels on the surface of the brain.
122. It had an extremely tiny head and, by inference, a tiny brain.
123. There was a risk the brain might be starved of oxygen.
124. I had a good brain and the teachers liked me.
125. The brain accounts for merely three per cent of body weight.
126. The girl was aphasic because of brain damage suffered during a difficult birth.
127. Emotional responses are a function of the right hemisphere of the brain.
128. The monkeys have electrodes implanted into the brain to measure their brain activity.
129. I tried to clear the confusion that was fogging my brain.
130. This part of brain judges the spatial relationship between objects.
131. He made a good recovery after surgery to remove a brain tumour.
132. The reason for this is that the optic nerve is a part of the brain.
133. He developed a blood clot on his brain and died.
134. The damage is restricted to the left side of the brain.
135. Radioactive tracers have been used to map the metabolic activity of the brain.
136. The human brain is the centre of higher nervous activity.
137. The candidate's brain trust is gathering this weekend to plan strategy for the primary election.
138. The doctors were worried that he might have suffered brain damage.
139. It's an artificial device which stimulates the auditory areas of the brain.
140. That can't possibly be the right way to do it - use your brain!
141. The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
142. Her brain was teeming with a whole tangle of emotions .
143. Attempts to correlate specific language functions with particular parts of the brain have not advanced very far.
144. One paper based on research conducted at Oxford suggested that the drug may cause brain damage.
145. Where in the brain do we store information about colours?
146. The baby's brain had been deprived of oxygen during the birth.
147. I suppose the shock had addled his poor old brain.
148. She is best known for her work on the human brain.
149. A clot in the brain cut off her blood supply.
150. After investigation they learned that the brain wave,[http://sentencedict.com/brain.html] which was a side of the brain will sleep.