Origin: ModL < L vas, vessel + deferens, carrying down: see deference
See vas deferens in American Heritage Dictionary 4
noun pl. vasa def·er·en·ti·a (dĕfˌə-rĕnˈshē-ə)
Origin:
Origin: New Latin vās dēferēns
Origin: : vās, duct
Origin: + Latin dēferēns
Origin: , present participle of dēferre, to carry away
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