WIVERN

wyvern, wivern

(noun) a fire-breathing dragon used in medieval heraldry; had the head of a dragon and the tail of a snake and a body with wings and two legs

Source: WordNet® 3.1

Noun

wivern (plural wiverns)

Alternative spelling of wyvern

Source: Wiktionary

Wiv"er, Wiv"ern, n. Etym: [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.]

1. (Her.)

Definition: A fabulous two-legged, winged creature, like a cockatrice, but having the head of a dragon, and without spurs. [Written also wyvern.] The jargon of heraldry, its griffins, its mold warps, its wiverns, and its dragons. Sir W. Scott.

2. (Zoöl.)

Definition: The weever.

Source: Webster’s Unabridged Dictionary 1913 Edition