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1. Delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver
   - blowfish, sea squab, puffer
    
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
   - puffer, blowfish, globefish

Derived forms: pufferfishes

Type of: plectognath, plectognath fish, saltwater fish

Part of: family Tetraodontidae, Tetraodontidae

Encyclopedia: Pufferfish