Function: noun
Date: 1927
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