nTetrodon(Zoöl) Any one of numerous species of plectognath fishes belonging to Tetrodon and allied genera. Each jaw is furnished with two large, thick, beaklike, bony teeth.☞ The skin is usually spinous, and the belly is capable of being greatly distended by air or water. It includes the swellfish, puffer , and similar species.
Century Dictionary and Cyclopedia
ntetrodonA genus of plectognath fishes, typical of the family Tetrodontidæ. The species are numerous in warm seas. T. turgidus is an abundant blower, pupper, or swell-toad of the Atlantic coast of the United States, attaining a foot in length. See cut under balloon-fish.
ntetrodon[lowercase] A fish of this genus or of the family Tetrodontidæ.