Ventricle word meaning and definition

[noun] a chamber of the heart that receives blood from an atrium and pumps it to the arteries
[noun] one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid

\Ven"tri*cle\, n. [L. ventriculus the stomach, a ventricle, dim. of venter the belly: cf. F. ventricule. See {Ventral}.] 1. (Anat.) 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}. Note: The principal ventricles of the brain are the fourth in the medulla, the third in the midbrain, the first and second, or lateral, ventricles in the cerebral hemispheres, all of which are connected with each other, and the fifth, or pseudoc[oe]le, situated between the hemispheres, in front of, or above, the fornix, and entirely disconnected with the other cavities. See {Brain}, and {C[oe]lia}. 2. The stomach. [Obs.] Whether I will or not, while I live, my heart beats, and my ventricle digests what is in it. --Sir M. Hale. 3. Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating. These [ideas] are begot on the ventricle of memory. --Shak.

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