pufferfish

from WordNet (r) 3.0 (2006)
pufferfish
    n 1: delicacy that is highly dangerous because of a potent nerve
         poison in ovaries and liver [syn: {blowfish}, {sea squab},
         {puffer}, {pufferfish}]
    2: any of numerous marine fishes whose elongated spiny body can
       inflate itself with water or air to form a globe; several
       species contain a potent nerve poison; closely related to
       spiny puffers [syn: {puffer}, {pufferfish}, {blowfish},
       {globefish}]
    

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