Viperoidea

top

CIDE DICTIONARY

Viperoidea, n. pl. [NL. See Viper, and -oid.].

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]

For further exploring for "Viperoidea" in Webster Dictionary Online