/puf"euhr/ , n.
1. a person or thing that puffs.
2. Also called blowfish, globefish . any of various fishes of the family Tetraodontidae, capable of inflating the body with water or air until it resembles a globe, the spines in the skin becoming erected: several species contain the potent nerve poison tetrodotoxin.
[ 1620-30; PUFF + -ER 1 ]