Definition of ventricle noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈventrɪkl//
    ; NAmE NAmE//ˈventrɪkl//
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  1. 1either of the two lower spaces in the heart that pump blood to the lungs or around the body compare auricle
  2. 2any hollow space in the body, especially one of four main hollow spaces in the brain
  3. Word Originlate Middle English: from Latin ventriculus, diminutive of venter ‘belly’.
See the Oxford Advanced American Dictionary entry: ventricle