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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151. He was found to have a blood clot on his brain.
152. A stroke can disrupt the supply of oxygen to the brain.
153. It seems probable that the accident has damaged her brain.
154. The memory of that day was indelibly printed on his brain.
155. Once you stop using your brain you soon go stale.
156. The illness is triggered by a chemical imbalance in the brain.
157. The surface of the brain is pinky-grey and latticed with tiny blood vessels.
158. Studies suggest that regular intake of the vitamin significantly improves brain function.
159. This layer of brain tissue is no thicker than 2 mm.
160. He had an operation to reduce the swelling in his brain.
161. No computer can imitate the complex functions of the human brain.
162. You've got cars on the brain. Can't we talk about something else for a change?
163. We talk of the brain as the locality of thought.
164. My tired brain couldn't cope with such a complex problem.
165. The major centre for language is in the left side of the brain.
166. Scientists have long wondered which parts of the brain are involved in musical tasks.
167. A man who suffered serious brain damage during an operation is suing the hospital.
168. The human brain isn't fully mature until about age 25.
169. The stopping distance includes the time taken for the brain to register the need to stop.
170. Smoking by expectant mothers may increase the chances of brain damage in their babies.
171. A vibrating membrane in the ear helps to convey sounds to the brain.
172. She suffered brain damage from the car accident and regressed to the mental age of a five-year-old.
173. The working of this machine corresponds to that of the human brain.
174. We do not fully understand how the brain is organized.
175. Fuddled by brandy,[sentence dictionary] her brain fumbled over the events of the night.
176. A brain scan last Friday finally set his mind at rest.
177. It is now possible to map the different functions of the brain.
178. Reversibility depends on the severity of the damage to the brain.
179. A wonderful idea began to take shape in her brain.
180. A year ago he had a blood clot removed from his brain.