vertebrate

vertebrate

CEFR: C1-C2 /ver-te-brate/ [v.er1.t.ah0.b.r.ey2.t]

Definition: An animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes

Example Sentences:
For that reason the earliest terrestrial vertebrates did not come equipped with an occiput, as we understand the term.