vertebrate

1 of 2

noun

ver·​te·​brate ˈvər-tə-brət How to pronounce vertebrate (audio) -ˌbrāt How to pronounce vertebrate (audio)
Synonyms of vertebratenext
: 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
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Noun
In the wake of the extinction, on a planet beset by extreme swings in climate, with long periods of searing heat and brutal drought, Lystrosaurus flourished, becoming the most abundant terrestrial vertebrate around. Kate Wong, Scientific American, 15 Apr. 2026 According to the Nature study, the Captorhinus fossils help scientists more accurately place this evolutionary milestone in the timeline of terrestrial vertebrates — nearly 290 million years ago. Samantha Agate, Miami Herald, 9 Apr. 2026
Adjective
And until now, vertebrate predators such as large marine reptiles, sharks and fishes were thought to have commanded the seas, Iba said, but the fossils hint that octopuses may also have occupied the top of the food web. Jack Guy, CNN Money, 23 Apr. 2026 See articles amphibian Amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats. Encyclopedia Britannica, 2 Apr. 2026 See All Example Sentences for vertebrate

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

Time Traveler
The first known use of vertebrate was in 1820

Browse Nearby Words

Cite this Entry

“Vertebrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vertebrate. Accessed 25 Apr. 2026.

Kids Definition

vertebrate

1 of 2 adjective
ver·​te·​brate ˈvərt-ə-brət How to pronounce vertebrate (audio) -ˌbrāt How to pronounce vertebrate (audio)
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 How to pronounce vertebrate (audio) -ˌbrāt How to pronounce vertebrate (audio)
: 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
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