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noun Anatomy.
  1. the most posterior 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 cerebellum, pons, and medulla oblongata; rhombencephalon.

Origin of hindbrain

First recorded in 1885–90; hind1 + brain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hindbrain

Historical Examples

  • Something about it tingled in my hindbrain -- I knew I'd heard of this place.

    Little Brother

    Cory Doctorow

  • In the nervous system the small size of the hindbrain or cerebellum is noticeable.

British Dictionary definitions for hindbrain


  1. the nontechnical name for rhombencephalon
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

hindbrain in Medicine


  1. rhombencephalon

hindbrain in Science


  1. The rearmost part of the vertebrate brain. In humans, it consists of the pons and the medulla oblongata. Compare forebrain midbrain.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.