medusa

noun
me·​du·​sa | \mi-ˈdü-sə, -ˈdyü-, -zə\

Definition of medusa 

1 capitalized [ Latin, from Greek Medousa ] : a mortal Gorgon who is slain when decapitated by Perseus

2 plural medusae\ -​ˌsē , -​ˌzē, -​ˌsī, -​ˌzī\ also medusas [ New Latin, from Latin ] : jellyfish sense 1a

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Other Words from medusa

medusan \ -​sᵊn , -​zᵊn \ adjective or noun
medusoid \ -​ˌsȯid , -​ˌzȯid \ adjective or noun

Examples of medusa in a Sentence

Recent Examples on the Web

In the 1990s Italian researchers discovered that Turritopsis dorhnii, a jellyfish the size of a pen tip, reverts back and forth from a medusa to a polyp, earning the nickname the immortal jellyfish. National Geographic, "Like 'Deadpool,' This Jellyfish Has Amazing Superpowers," 2 Mar. 2016 If so, scientists are hopeful that once conditions in the lake improve, a new generation will again produce the free swimming adult medusa that so delight tourists. National Geographic, "The Famous Jellyfish Lake Is Running Out of Jellyfish," 4 May 2016 In the 1990s Italian researchers discovered that Turritopsis dorhnii, a jellyfish the size of a pen tip, reverts back and forth from a medusa to a polyp, earning the nickname the immortal jellyfish. Martin Shields, National Geographic, "Like 'Deadpool,' This Jellyfish Has Amazing Superpowers," 2 Mar. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'medusa.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of medusa

14th century, in the meaning defined at sense 1

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Time Traveler for medusa

The first known use of medusa was in the 14th century

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