ventricle

A small cavity or chamber within a body or organ, especially.

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.

The chamber on the right side of the heart that receives venous blood from the right atrium and forces it into the pulmonary artery.

Any of the interconnecting cavities of the brain.

The belly; the stomach.

The womb; the productive organ, literally or figuratively.

In anatomy and zoology, some small cavity of the body; a hollow part or organ; a ventriculus: variously applied.

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.

The stomach.

Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating.