Tetrodont \Tet"ro*dont\, a. (Zool.) Of or pertaining to the tetrodons. -- n. A tetrodon. [Written also {tetradont}, and {tetraodont}.] [1913 Webster]
Tetradont \Tet"ra*dont\, a. & n. (Zool.) See {Tetrodont}. [1913 Webster] Tetradrachm