invertebrate

Definition of Invertebrate in English :

1. invertebrate

any animal lacking a backbone or notochord; the term is not used as a scientific classification

2. invertebrate, spineless

lacking a backbone or spinal column

Example Sentences:
'worms are an example of invertebrate animals'

WordNet Lexical Database for English. Princeton University. 2010.

Invertebrate

noun

1.

any animal lacking a backbone, including all species not classified as vertebrates

adjective also: invertebral (ɪnˈvɜːtɪbrəl)

2.

of, relating to, or designating invertebrates

adjective

1.

not vertebrate; having no backbone, or spinal column

2.

of invertebrates

3.

having no moral backbone; lacking courage, resolution, etc.

noun

4.

any animal without a backbone, or spinal column; any animal other than a fish, amphibian, reptile, bird, or mammal

adj.

1. Lacking a backbone or spinal column; not vertebrate.

2. Of or relating to invertebrates: invertebrate zoology.

n.

An animal, such as an insect or mollusk, that lacks a backbone or spinal column.