invertebrate
🇺🇸
/ɪnˈvɜːrtɪbrət/
🇬🇧
/ɪnˈvɜːtɪbrət/
An animal without a backbone, like a worm or a jellyfish.
Many invertebrates, such as insects and spiders, have exoskeletons.
Lacking a backbone.
Invertebrates are animals without a backbone, like slugs and spiders.