The definition of a ventricle is a cavity in an organism that lies in the brain or heart.(noun)
An example of a ventricle is a chamber in the heart that gets blood from the atria and pumps blood into the arteries.
See ventricle in Webster's New World College Dictionary
Origin: ME < L ventriculus, stomach, ventricle, dim. of venter: see ventral
See ventricle in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French ventricule
Origin: , from Latin ventriculus
Origin: , diminutive of venter, belly.
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