… During our first ten miles' ride I was racking my brain for something to say when I should jump up to make my first sale. brain in British English. The complex human brain controls who we are: how we think, feel, and act. The brain consists of the medulla, which sends signals from the spinal cord to the rest of the brain and also controls the autonomic nervous system; the pons, a mass of nerve fibers connected to the medulla; the cerebellum, which controls balance and coordination; and the cerebrum, the outer layer of which, the cerebral cortex, is the location of memory, sight, speech, and other higher functions. before the 12th century, in the meaning defined at sense 1a, 14th century, in the meaning defined at sense 1, Middle English, from Old English brægen; akin to Middle Low German bregen brain, and perhaps to Greek brechmos front part of the head. 'All Intensive Purposes' or 'All Intents and Purposes'? the controlling or guiding mechanism in a computer, robot, pacemaker, etc. Under the cerebral cortex are the thalamus, the main relay center between the medulla and the cerebrum; and the hypothalamus, which controls blood pressure, body temperature, hunger, thirst, sex drive, and other visceral functions. Brain drain is a slang term indicating substantial emigration or migration of individuals. The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.quotations ▼ 1.1. The brain is the part of the body which lets animals make sense of things. Any growth inside such a restricted space can cause problems. The American Heritage® Stedman's Medical Dictionary It includes the cerebrum, brainstem, and cerebellum. to try very hard to understand and work out a problem, remember something, etc. a brain injury/tumor. Enrich your vocabulary with the English Definition dictionary noun 1 An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating centre of sensation and intellectual and nervous activity. What made you want to look up brain? Where do we draw the line between life and death? brain (plural brains) 1. All rights reserved. At approximately 3 pounds, it contains about 100 billion neurons and 100 trillion connections. Definition *required. It gets input from sense organs, and changes behavior in response to this information. The forebrain parts include: … Published by Houghton Mifflin Company. Delivered to your inbox! The left and right sides of the brain have different functions. brain [brān] that part of the central nervous system contained within the cranium, comprising the forebrain (prosencephalon), midbrain (mesencephalon), and hindbrain (rhombencephalon); it develops from the embryonic neural tube. (in many invertebrates) a part of the nervous system more or less corresponding to the brain of vertebrates. The human brain is an intricate organ. Scientists are learning more about how the human brain works. Related: The 10 Best Apps for Your Brain As you age, your brain changes. Connected to the spinal See also the related categories, english and celtic. Recent blog articles from Slang.org. With this book, Baggio offers the first integrated, multilevel theory of semantics in the brain, describing how meaning … Brain is a variant transcription of Brian (English, Gaelic, and Irish). Meaning of 'Brain' in Marathi - Marathi Meanings for English Words, English to Marathi Dictionary, Marathi to English Dictionary, Marathi Transliteration, Marathi Writing Software, Marathi Script Typing, Download Marathi Dictionary, Marathi Dictionary Software the part of a computer system for coordination or guidance, as of a missile. a member of a group who is regarded as its intellectual leader or planner: The junior partner is the brains of the firm. The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. The brain is one of the largest and most complex organs in the human body. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. The vast majority of deaths, approximately 99%, are cardiac deaths. Published by Houghton Mifflin Harcourt Publishing Company. The brain also controls all major body functions. At the height of its usage in 1975, 0.011% of baby boys were given the name Brain. 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