Main Entry:

jel·ly·fish

Pronunciation:

\ˈje-lē-ˌfish\

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: ctenophore2: a person lacking backbone or firmness

[jellyfish illustration]