Examples of “brain” in a Sentence

noun The organ inside the skull that controls thought, memory, emotion, and the rest of the nervous system.

• The surgeon explained which part of the brain controls speech and movement.
• A concussion is an injury to the brain.
• Scientists are still mapping how different parts of the brain work together.

noun A person's intelligence or mental ability.

• Use your brain and think it through before you answer.
• He has a good brain for numbers but very little patience.
• She was famous for her sharp brain and quick wit.

noun An especially intelligent person, or the person supplying the ideas behind a plan.

• My sister is the real brain in our family and always gets top marks.
• Our team needs a brain like hers to solve this puzzle.
• She was the brains behind the whole marketing campaign.

verb Informal: to hit someone hard on the head.

• Watch out for that low branch, or you'll brain yourself on it.
• She ducked just in time, or the swinging door would have brained her.
• He nearly brained himself on the low doorframe.