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Webster 1913 Edition
Tetrodon
Tet′ro-don
,Noun.
[
Tetra-
+ Gr. [GREEK], [GREEK], tooth.] (Zool.)
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. [Written also
tetradon
.] ☞ The skin is usually spinous, and the belly is capable of being greatly distended by air or water. It includes the swellfish, puffer
(a)
, and similar species.