Jellyfish

from WordNet (r) 3.0 (2006)
jellyfish
    n 1: large siphonophore having a bladderlike float and stinging
         tentacles [syn: {Portuguese man-of-war}, {man-of-war},
         {jellyfish}]
    2: any of numerous usually marine and free-swimming
       coelenterates that constitute the sexually reproductive forms
       of hydrozoans and scyphozoans
    
from The Collaborative International Dictionary of English v.0.48
Jellyfish \Jel"ly*fish`\, n. (Zool.)
   Any one of the acalephs, esp. one of the larger species,
   having a jellylike appearance. See {Medusa} and {acaleph}.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
50 Moby Thesaurus words for "jellyfish":
      Chilopoda, Chordata, Echiuroidea, Ectoprocta, Entoprocta,
      Milquetoast, Monoplacophora, Nemertinea, Phoronidea, baby,
      big baby, chicken, chicken liver, coward, crybaby, doormat,
      dull tool, fence-sitter, fraid-cat, fraidy-cat, funk, funker,
      gutless wonder, invertebrate, lightweight, lily liver, meek soul,
      milksop, mollycoddle, mouse, mugwump, namby-pamby, nebbish,
      nonentity, pansy, pantywaist, pushover, sad sack, scaredy-cat,
      shilly-shally, sissy, softling, softy, sop, waverer, weak sister,
      weakling, white feather, white liver, wobbler

    

[email protected]