Hydrozoa

noun plural

Hy·​dro·​zoa ˌhī-drə-ˈzō-ə How to pronounce Hydrozoa (audio)
: a class of coelenterates that includes various simple and compound polyps and jellyfishes having no stomodeum or gastric tentacles

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Cite this Entry

“Hydrozoa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Hydrozoa. Accessed 27 Nov. 2022.

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