'Viperoidea' definitions:
Definition of 'Viperoidea'
- 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]
