What does this Chinese character means?

Question

Hi, I've got a sticker from one friend to stick on my bass, and we don't know what it means :P

Here's a picture of my bass, where you can see this chinese character in white.

http://viewmorepics.myspace.com/index.cfm?fuseaction=viewImage&friendID=178041650&albumID=1476268&imageID=21598677#a=1476268&i=21598761

Thanks a lot!!!

Answer 1

it's pronounced "kao"

which either means "test" or "challenge"

: ]

Answer 2

考  

v.  (Trad=考, Pinyin=kao3) check, verify, test, examine, study, investigate

Answer 3

考

Chinese:kao3 "test," "verify," "check over," "examine," "study," or "investigate"

Japanese: Kou "consider" or "think over."