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ventricle

[ven-tri-kuh l]
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noun
  1. Zoology. any of various hollow organs or parts in an animal body.
  2. Anatomy.
    1. 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.
    2. one of a series of connecting cavities of the brain.

Origin of ventricle

1350–1400; Middle English < Latin ventriculus belly, ventricle. See venter, -i-, -cle1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ventricle

ventricle

noun anatomy
  1. a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries
  2. any one of the four main cavities of the vertebrate brain, which contain cerebrospinal fluid
  3. any of various other small cavities in the body

Word Origin

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

ventricle in Medicine

ventricle

(vĕntrĭ-kəl)
n.
  1. 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.

ventricle in Science

ventricle

[vĕntrĭ-kəl]
  1. 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.
  2. Any of four fluid-filled cavities in the brain of vertebrate animals. The ventricles are filled with cerebrospinal fluid.
Related formsventricular adjective (vĕn-trĭkyə-lər)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.