What do a.m. and p.m. stand for?


[fawr-breyn, fohr-] /ˈfɔrˌbreɪn, ˈfoʊr-/
noun, Anatomy
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.
the telencephalon.
Origin of forebrain
1875-80; fore- + brain Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for forebrain
  • These kinds of problems mainly occur after an injury to the forebrain.
  • The researchers note that the white matter appears to fray more over time in the forebrain than in the brain's rear.
British Dictionary definitions for forebrain


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
Cite This Source
forebrain in Medicine

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
forebrain in Science
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.
Cite This Source

Word of the Day

Difficulty index for forebrain

Many English speakers likely know this word

Word Value for forebrain

Scrabble Words With Friends

Nearby words for forebrain