What is the meaning of Jellyfish?

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

A cnidarian, a member of the phylum Cnidaria.

  1. A scyphozoan, a member of the class Scyphozoa (true jellies).

A scyphozoan, a member of the class Scyphozoa (true jellies).

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

A 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.

Source: wiktionary.org