ventricles

Noun

ventricle (plural ventricles)

1. One of two lower chambers of the heart.
   • The muscular ventricles pump blood by contracting their fibers in response to electrical stimulation.2018, Sandeep Jauhar, Heart: a History, →ISBN, page 47

   Synonyms:

   cardioventricle

2. One of four fluid-filled cavities in the brain, that are continuous with the central canal of the spinal cord.
   • the ventricle of memoryc. 1595–1596 (date written), William Shakespeare, “Loues Labour’s Lost”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward]...

   Synonyms:

   cerebroventricle

3. (archaic) A ventriculus; especially, a stomach.
   • [On birds] Where omitting the more general Properties, of having two Ventricles, and picking up stones to conveigh them into their second Ventricle, the Gizzern, (which provision and instinct is a supply for the want of teeth;) […]1662, Henry More, An Antidote Against Atheism, Book II: A Collection of Several Philosophical Writings of Dr. Henry More, page 72
4. (archaic) The womb.