ventricle [ ven-tri-k uh l ] SHOW IPA / ˈvɛn trɪ kəl / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun . Zoology any of various hollow organs or parts in an animal body. . Anatomy either of the two lower chambers on each side of the heart that receive blood from the atria and in turn force it into the arteries. one of a series of connecting cavities of the brain. Origin of ventricle 1350–1400; Middle English
belly, ventricle. See
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ventricle British Dictionary definitions for ventricle noun anatomy a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries any one of the four main cavities of the vertebrate brain, which contain cerebrospinal fluid any of various other small cavities in the body Word Origin for ventricle
C14: from Latin
ventriculus, diminutive of venter belly
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
Word Origin and History for ventricle n.
late 14c., from Latin
ventriculus "stomach," diminutive of venter (genitive ventris) "belly" (see ventral).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for ventricle n. A small cavity or chamber within a body or organ, especially the right or left ventricle of the heart or any of the interconnecting ventricles of the brain.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for ventricle A chamber of the heart that receives blood from one or more atria and pumps it by muscular contraction into the arteries. Mammals, birds, and reptiles have two ventricles; amphibians and fish have one. Any of four fluid-filled cavities in the brain of vertebrate animals. The ventricles are filled with cerebrospinal fluid. Related forms ventricular adjective ( vĕn-trĭk) ′yə-lər
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.