预约挂号后可以取消:有谁能告诉我wyvern这个词有什么典故，越详细越好，先谢谢

这是英语资料：

An imaginary animal - a two-legged dragon, the body passing off into a long tail barbed at the end and generally borne nowed or knotted.
digiserve.com/heraldry/pimb_w.htm

a monster with the wings and upper part of a dragon and the lower part of a snake
www.burkes-libraries.com/sites/common/sitepages/heraldry_w.asp

A dragon without hind legs (ie, more serpentine).
home.olemiss.edu/~tjray/medieval/chivarlic.htm

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
wordnet.princeton.edu/perl/webwn

A wyvern (or wivern) is a winged reptilian legendary creature often found in medieval heraldry where the usual blazon is statant (standing). The wyvern is similar to a European dragon, but it differs in that it has only two legs, cannot breathe fire, and has a barbed or snake-like tail. Occasionally, it is said to be smaller than a dragon or to be able to breathe fire. In heraldry, it represents pestilence, conquest, or other such ideas. ...
en.wikipedia.org/wiki/Wyvern

Wyvern is an award-winning massively multiplayer online RPG (MMORPG) in beta test, which is similar to a text-based MUD (or "Multi-User Dungeon"), but Wyvern also has a graphical view of the game.
en.wikipedia.org/wiki/Wyvern_(Online_Game)

=wivern (纹章)双足飞龙

A two-legged dragon having wings and a barbed tail.
双足飞龙
一种长有翅膀和带倒勾尾巴的双腿龙

n.
(纹章上的)双足飞龙