Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fourth_ventricle

1 sense of fourth ventricle

Sense 1
fourth ventricle -- (an irregular ventricle between the third ventricle and the central canal of the spinal cord)
       => ventricle -- (one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid)