'pufferfish' definitions:

Delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver [syn: blowfish, sea squab, puffer, pufferfish]

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]