moon jelly

noun

A globally common jellyfish of the genus Aurelia, especially Aurelia aurita.

First used 20th c.

Meanings

nounmoon jelly (plural moon jellies)

plural moon jellies

  1. A globally common jellyfish of the genus Aurelia, especially Aurelia aurita.First known use 20th c.

    In 1998, a swarm of large Aurelia (the standard moon jelly) moved into Big Glory Bay off New Zealand’s South Island, and killed 56,000 three-kilo salmon in their pens within half an hour.

    2014, Theo Tait, ‘Water-Borne Zombies’, London Review of Books, volume 36, number 5

    Synonyms: common jellyfish, moon jellyfish, saucer jelly

Synonyms & antonyms

nounA globally common jellyfish of the genus Aurelia, especially Aurelia aurita.

Cite this entry
APA

moon jelly. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/moon%20jelly

MLA

“moon jelly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/moon%20jelly. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “moon jelly,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/moon%20jelly.

Source: moon jelly on Wiktionary, CC BY-SA 4.0.