Wiv·er Wiv·ern n.
1. Her. 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. Zool. The weever.
n : 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 [syn: wyvern]