noun
1. delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver
• Hypernyms: ↑saltwater fish
• Hyponyms: ↑fugu
• Substance Meronyms: ↑tetrodotoxin
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
• Hypernyms: ↑plectognath, ↑plectognath fish
• Member Holonyms: ↑Tetraodontidae, ↑family Tetraodontidae
Useful english dictionary. 2012.