vertebrate

1 of 2

noun

ver·​te·​brate ˈvər-tə-brət  -ˌbrāt 

: any of a subphylum (Vertebrata) of chordates that comprises animals (such as mammals, birds, reptiles, amphibians, and fishes) typically having a bony or cartilaginous spinal column which replaces the notochord, a distinct head containing a brain which arises as an enlarged part of the nerve cord, and an internal usually bony skeleton and that includes some primitive forms (such as lampreys) in which the spinal column is absent and the notochord persists throughout life

vertebrate

2 of 2

adjective

1

a

: having a spinal column

b

: of or relating to the vertebrates

2

: organized or constructed in orderly or developed form

Examples of vertebrate in a Sentence

Recent Examples on the Web

Noun

Salamanders are the only adult vertebrates that can regrow limbs, and axolotls are no exception. —Allison Futterman, Discover Magazine, 6 Nov. 2024

The smallest vertebrates so far discovered are the flea-toads, which live at the limit for how small any vertebrate can possibly get. —Grrlscientist, Forbes, 1 Nov. 2024

Adjective

That’s because the U.S. Animal Welfare Act, which gives the Department of Agriculture authority to regulate research on animals, specifically denies the Department authority to regulate research on rats, mice, and birds, who make up over 99% of all vertebrate animals used in U.S. experiments. —Peter Singer, TIME, 26 Oct. 2024

Of the five main classes of vertebrate animals, reptiles often inspire the most fear. —Katie Hunt, CNN, 21 Sep. 2024

Word History

Etymology

Noun

New Latin Vertebrata, from neuter plural of vertebratus

Adjective

New Latin vertebratus, from Latin, jointed, from vertebra

First Known Use

Noun

1826, in the meaning defined above

Adjective

1820, in the meaning defined at sense 1a

Kids Definition

vertebrate

1 of 2 adjective

ver·​te·​brate ˈvərt-ə-brət  -ˌbrāt 

1

: having a spinal column

2

: of or relating to the vertebrates

vertebrate

2 of 2 noun

: any of a large group of chordates comprising animals (as mammals, birds, reptiles, amphibians, and fishes) typically having a bony or cartilaginous backbone which replaces the notochord, a distinct head containing a brain which arises as an enlarged part of the nerve cord, and an internal usually bony skeleton and including some primitive forms (as lampreys) in which the backbone is absent and the notochord persists throughout life

Medical Definition

vertebrate

1 of 2 noun

ver·​te·​brate ˈvərt-ə-brət  -ˌbrāt 

: a subphylum of chordates comprising animals (such 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 : an animal of the subphylum Vertebrata

vertebrate

2 of 2 adjective

1

: having a spinal column

2

: of or relating to the subphylum Vertebrata