Synonyms of the word 
COELENTERATE → CNIDARIAN - INVERTEBRATE
coelenterate
- n. Any simple aquatic animal bearing tentacles with nematocysts. Examples include jellyfish, coral, and anemones.
cnidarian
- n. any of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges…
invertebrate
- n. An animal without vertebrae, i.e. backbone.
- n. (informal) A spineless person; a coward.
- adj. Lacking a backbone.
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