Vertebrata
noun plural
Ver·te·bra·ta
| \ ˌvər-tə-ˈbrät-ə
, -ˈbrāt-
\
, -ˈbrāt-
\
Medical Definition of Vertebrata
: a subphylum of chordates comprising animals (as mammals, birds, reptiles, amphibians, and fishes) with a segmented spinal column together with a few primitive forms in which the backbone is represented by a notochord