n.
Pronunciation: ' je-l ē - ˌ fish
Function: noun
Date: 1841
1 a : a free-swimming marine coelenterate that is the sexually reproducing form of a hydrozoan or scyphozoan and has a nearly transparent saucer-shaped body and extensible marginal tentacles studded with stinging cells b : SIPHONOPHORE c : CTENOPHORE
2 : a person lacking backbone or firmness
jellyfish 1a