exoridionary

There is no such word of "exordionary"
But "extraordinary",
"extortionary"

extraordinary (adj)
=very unusual, special.

extortionary （adj)
-comes from the word extortion(n).

extortion(n)
1. The act or an instance of extorting.
2. Illegal use of one's official position or powers to obtain property, funds, or patronage.
3. An excessive or exorbitant charge.
4. Something extorted.

exoridionary
看來這字應是 "extraordinary",

這字由 Ordinary (adj) 普通, 平常.
加上 extra (prefix, adj) 額外, 特別的.

變成 Extraordinary (adj) = 超乎平常的, 奇特的.
例句: The dinner we just had was extraordinary delicious.

應該是"Extraordinary"

,這字的意思是劍龍(恐龍的一種)

你要查的字是 extraordinary 嗎?

http://hk.dictionary.yahoo.com/search.html?q=1&s=extraordinary

我知!!!
這個字我起我本英文書到見過,這字的意思是劍龍(恐龍的一種)