Century Dictionary and Cyclopedia
- n swellfish A plectognath fish, of any of the several genera Tetrodon, Diodon, and related forms, capable of inflating itself like a ball, or swelling up by swallowing air: the name is given to the globe-fish, bur-fish, puffing-fish, porcupine-fish, rabbit-fish, tambor, puffer, etc. Numerous species are found in the seas of most parts of the world. Also swell-toad. See also cuts under balloon-fish, Diodon, and Tetrodontidæ.