[ 'vɛntrɪk(ə)l ]
■ noun Anatomy
1》 each of the two larger and lower cavities of the heart.
2》 each of four connected fluid-filled cavities in the centre of the brain.
Derivatives
ventricular -'trɪkjʊlə adjective
Origin
ME: from L. ventriculus , dimin. of venter 'belly'.