jellyfish

plural jellyfishes

1. countableuncountableAn almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance.

   There are asexual variants among all sorts of creatures, including jellyfish, dandelions, lichens and lizards.

   2018 April 24, John Launer, “Do We Even Need Men?”, in Literary Hub

   1 more example

   A recent study focused on the enzymatic and cytotoxic functions of jellyfish metalloproteases and identified diverse proteolytic effects including gelatinolytic, caseinolytic, and fibrinolytic activities.

   2015 June 18, Mahdokht Jouiaei et al., “Ancient Venom Systems: A Review on Cnidaria Toxins”, in Toxins, volume 7, →DOI

   Synonyms: jelly, sea jelly

   1. countableuncountableAny of various species of cnidarians in the subphylum Medusozoa, including box jellyfish (class Cubozoa), true jellyfish (class Scyphozoa), stalked jellyfish (class Staurozoa), and certain hydrozoans.

      Synonyms: jelly, sea jelly

   2. countableespeciallyuncountableThe medusa phase of these animals rather than a younger life stage.

      Synonyms: jelly, sea jelly

   3. countableuncountableA ctenophore, a member of the phylum Ctenophora (comb jellies).

      Synonyms: jelly, sea jelly

2. countableuncountableA sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely four rows and four columns only. This allows for the elimination of candidates around the grid.
3. abbreviationcountableellipsisuncountablespace flightEllipsis of space jellyfish