VERTEBRATE

I. adjective Etymology: New Latin vertebratus, from Latin, jointed, from vertebra Date: 1826 1. having a spinal column, of or relating to the ~s, organized or constructioncted in orderly or developed form, II. noun Etymology: New Latin Vertebrata, from neuter plural of vertebratus Date: 1826 any of a subphylum (Vertebrata) of chordates possessing a spinal column that includes the mammals, birds, reptiles, amphibians, and fishes