puffer fish

noun

Definition of puffer fish

1 : any of a family (Tetraodontidae) of chiefly tropical scaleless marine bony fishes which can distend themselves to a globular form and most of which are highly poisonous

— called also blowfish, globefish, swellfish

— compare fugu

2 : any of various fish of the same order (Tetraodontiformes) as the puffer fish

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The first known use of puffer fish was in 1869

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puffer fish

noun

variants: or pufferfish

Medical Definition of puffer fish

: any of a family (Tetraodontidae) of chiefly tropical, scaleless, marine fishes that when threatened can distend themselves to a large, roundish form and most of which are highly poisonous

— called also blowfish, globefish

— see fugu