any marine plectognath fish of the family Tetraodontidae, having an elongated spiny body that can be inflated to form a globe
puffer in American English
(ˈpʌfər)
noun
1.
a person or thing that puffs
2. US
either of two families (esp. Tetraodontidae, order Tetraodontiformes) of small, marinebony fishes capable of expanding their body by swallowing water or air
Examples of 'puffer' in a sentence
puffer
BEAT the cold in the hottest coats this winter - oversized puffer jackets.
The Sun (2017)
And now here I was, with half of my top lip looking like it belonged to a puffer fish.