- brain
- brain1 W2S2 [breın] n↑artery, ↑brain, ↑fatty, ↑tissue, ↑heart, ↑kidney, ↑intestine, ↑intestine2, ↑small, ↑large, ↑liver, ↑lung, ↑muscles, ↑stomach, ↑vein, ↑throat▬▬▬▬▬▬▬1¦(organ)¦2¦(intelligence)¦3¦(person)¦4¦(food)¦5 have something on the brain6 be the brains behind/of something7 brain dead8 brain box▬▬▬▬▬▬▬[: Old English; Origin: brAgen]1.) ¦(ORGAN)¦the organ inside your head that controls how you think, feel, and move▪ Messages from the brain are carried by the central nervous system.▪ the chemistry of the brain▪ the human brainthe right/left hemisphere of the brain(=the right or left side of the brain)▪ Emotional responses are a function of the right hemisphere of the brain.▪ She died of a brain tumour .brain tissue/cell2.) ¦(INTELLIGENCE)¦ [>C usually plural, U]the ability to think clearly and learn quickly▪ If you had any brains, you'd know what I meant.▪ The job requires brains.▪ Something's addled your brains (=made you confused) .▪ Come on, use your brain , John.3.) ¦(PERSON)¦ [C usually plural] informalsomeone who is intelligent, with good ideas and useful skills▪ Some of our best brains are leaving the country to work in the US.4.) ¦(FOOD)¦[U]also brains [plural]the brain of an animal, used as food5.) have sth on the brain informalto be always thinking about something▪ I've got that song on the brain today.6.) be the brains behind/of sthto be the person who thought of and developed a particular plan, system, or organization, especially a successful one▪ Danny's definitely the brains of the project.7.) brain deada) in a state where your brain has stopped working properly even though your heart may still be beatingb) informal in a state in which you seem stupid or uninteresting, especially because you live a boring life or are very tired8.) brain boxBrE informal a very intelligent person→↑bird-brain, ↑hare-brained,beat your brains out at ↑beat1 (22), pick sb's brains at ↑pick1 (7), rack your brain(s) at ↑rack2 (2)brain 2brain2 v [T] informalto hit someone very hard on the head - used humorously▪ I wanted to brain him.
Dictionary of contemporary English. 2013.