Plural of medusa

regular plural

The plural of medusa is medusas or medusae.

Forms of medusa

Thus were born from credulity, fancy and fertile imagination, in successive ages, dragons, medusas, basilisks, salamanders, gorgons and unicorns, the cocatrice, the epimacus and the seductive mermaid.1930, Indian State Railways Magazine, page 15. From the entry epimacus
Some narcomedusae develop as parasitic stolons in or on other jellyfish species; young medusae are budded from these stolons.2016, Lisa-Ann Gershwin, “Battering ram jellies”, in Jellyfish: A Natural History, page 84. From the entry narcomedusa
Polyp stage reduced or absent; medusae without velums.1997, John A. Snyder, How to Prepare for the GRE Biology, page 265. From the entry velums
These, in turn, reproduce by cloning; when conditions are right, they ‘strobilate’, elongating and splitting into a stack of discs which develop into larvae, and break away to become medusae.2014, Theo Tait, “Water-Borne Zombies”, in London Review of Books, volume 36, number 5. From the entry strobilate

noun A jellyfish; specifically, a non-polyp form of individual cnidarians, consisting of a gelatinous umbrella-shaped bell and trailing tentacles.
noun Synonym of worm-star.

What is the plural of medusa?: The plural of medusa is medusas or medusae.
Which is correct, medusas or medusae?: Both are used. medusae is the more common of the two in English writing.
Is medusa countable?: Medusa is a countable noun.

Adapted from Wiktionary: medusa (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Plural of medusa.” Word.ws, https://word.ws/plural/medusa. Based on Wiktionary, CC BY-SA 4.0.