from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small cavity or chamber within a body or organ, especially:
- n. The chamber on the left side of the heart that receives arterial blood from the left atrium and contracts to force it into the aorta.
- n. The chamber on the right side of the heart that receives venous blood from the right atrium and forces it into the pulmonary artery.
- n. Any of the interconnecting cavities of the brain.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any small cavity within a body; a hollow part or organ, especially:
- n. One of two lower chambers of the heart.
- n. One of four cavities in the brain.
- n. The stomach.
- n. The womb.
from the GNU version of the Collaborative International Dictionary of English
- n. A cavity, or one of the cavities, of an organ, as of the larynx or the brain; specifically, the posterior chamber, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See heart.
- n. The stomach.
- n. Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating.
from The Century Dictionary and Cyclopedia
- n. The belly; the stomach.
- n. The womb; the productive organ, literally or figuratively.
- n. In anatomy and zoology, some small cavity of the body; a hollow part or organ; a ventriculus: variously applied.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a chamber of the heart that receives blood from an atrium and pumps it to the arteries
- n. one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid
Middle English, from Old French ventricule, from Latin ventriculus, diminutive of venter, belly.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French ventricule, from Latin ventriculus ("belly, stomach, ventricle"), diminutive of venter ("belly, stomach, womb") (Wiktionary)