Definition of vertebrate (noun)
- animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
- synonyms: craniate
Definition of vertebrate (adjective)
- having a backbone or spinal column
- "fishes and amphibians and reptiles and birds and mammals are verbetrate animals"
- antonym: invertebrate
Source: Princeton University Wordnet