invertebrate
An animal without vertebrae (i.e., without a backbone).
Other meanings
A spineless person; a coward.
A kind of
- animal
Kinds of invertebrate
- arthropod
- sponge
- comb jelly
- worm
- mollusk
- bryozoan
- brachiopod
- peanut worm
Where this comes from
This definition is adapted from “invertebrate” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.