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forebrain

[fawr-breyn, fohr-] /ˈfɔrˌbreɪn, ˈfoʊr-/
noun, Anatomy
1.
Also called prosencephalon. the anterior of the three primary divisions of the brain in the embryo of a vertebrate, or the part of the adult brain derived from this tissue including the diencephalon and telencephalon.
2.
the telencephalon.
Origin
1875-1880
1875-80; fore- + brain
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for forebrains

forebrain

/ˈfɔːˌbreɪn/
noun
1.
the nontechnical name for prosencephalon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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forebrains in Medicine

forebrain fore·brain (fôr'brān')
n.
The prosencephalon.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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forebrains in Science
forebrain
  (fôr'brān')   
The forwardmost part of the vertebrate brain. In humans, it consists of the thalamus, the hypothalamus, and the cerebrum. Compare hindbrain, midbrain.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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