%wivern%

{ } n. [ OE. wivere a serpent, OF. wivre, guivre, F. givre, guivre, wiver, from L. vipera; probably influenced by OHG. wipera, from the Latin. See Viper, and cf. Weever. ] [ 1913 Webster ]

1. (Her.) A fabulous two-legged, winged creature, like a cockatrice, but having the head of a dragon, and without spurs. [ Written also wyvern. ] [ 1913 Webster ]

The jargon of heraldry, its griffins, its mold warps, its wiverns, and its dragons. Sir W. Scott. [ 1913 Webster ]

2. (Zool.) The weever. [ 1913 Webster ]