'Viperoidea' definitions:

Definition of 'Viperoidea'

From: GCIDE
  • Viperoidea \Vi`per*oi"de*a\, Viperoides \Vi`per*oi"des\, n. pl. [NL. See Viper, and -oid.] (Zool.) A division of serpents which includes the true vipers of the Old World and the rattlesnakes and moccasin snakes of America; -- called also Viperina. [1913 Webster]