Vertebrata

n. division of animals having a spinal column, vertebrate (Zoology)

Vertebrates are members of the subphylum Vertebrata (within the phylum Chordata), specifically, those chordates with backbones or spinal columns. About 57,739 species of vertebrates have been described. Vertebrata is the largest subphylum of chordates, and contains many familiar groups of large land animals. Fish (including lampreys, but traditionally not hagfish, though this is now disputed), amphibians, reptiles, birds, and mammals (including humans) are vertebrates.
See more at Wikipedia.org...

Noun
1. fishes; amphibians; reptiles; birds; mammals
(synonym) subphylum Vertebrata, Craniata, subphylum Craniata
(hypernym) phylum
(member-holonym) Chordata, phylum Chordata
(member-meronym) fish family

adj. vertebrate, vertebrated

(n. pl.)
One of the grand divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebrae, together with Amphioxus in which the backbone is represented by a simple undivided notochord. The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, or visceral, cavity below it. The subdivisions or classes of Vertebrata are Mammalia, Aves, Reptilia, Amphibia, Pisces, Marsipobranchia, and Leptocardia.