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jellyfish

[ jel-ee-fish ]
/ 藞d蕭蓻l i藢f瑟蕛 /
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See synonyms for: jellyfish / jellyfishes on Thesaurus.com

noun, plural (especially collectively) jel路ly路fish, (especially referring to two or more kinds or species) jel路ly路fish路es.
any of various marine coelenterates of a soft, gelatinous structure, especially one with an umbrellalike body and long, trailing tentacles; medusa.
Informal. a person without strong resolve or stamina; an indecisive or weak person.
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Origin of jellyfish

1700鈥10; 1910鈥15 for def. 2; jelly + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use jellyfish in a sentence

British Dictionary definitions for jellyfish

jellyfish
/ (藞d蕭蓻l瑟藢f瑟蕛) /

noun plural -fish or -fishes
any marine medusoid coelenterate of the class Scyphozoa, having a gelatinous umbrella-shaped body with trailing tentacles
any other medusoid coelenterate
informal a weak indecisive person
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for jellyfish

jellyfish
[ j臅l膿-f沫sh鈥 ]

n. pl. jellyfish
Any of numerous marine coelenterates of the class Scyphozoa, some poisonous species of which, notably the Portuguese man-of-war, produce a toxin that can be injected into the skin by nematocysts on the tentacles, causing linear wheals.
Any of various similar or related coelenterates.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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