tetradont

from The Collaborative International Dictionary of English v.0.48
Tetrodont \Tet"ro*dont\, a. (Zool.)
   Of or pertaining to the tetrodons. -- n. A tetrodon. [Written
   also {tetradont}, and {tetraodont}.]
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Tetradont \Tet"ra*dont\, a. & n. (Zool.)
   See {Tetrodont}.
   [1913 Webster] Tetradrachm
    

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