noun the stomach.
2. ventricle ·noun fig.: any cavity, or hollow place, in which any function may be conceived of as operating.
3. ventricle ·noun 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.