I've researched this until I've been blue in the face. I came across something that said it meant "peace," but I have yet to confirm anything. The closest thing I've ever found is this:
DAZ: I know you don't want to give out the meaning of the crest as of yet, but I am trying to do some research on my own. Is the crest, of Cherokee, Lakota, or Chippewa descent? I have looked on multiple web sites and books, and can't find it any wheres, however, I have heard it is Cherokee for friendship. Thinkin' of that third tatt already, and just don't wanna take the plunge unless I know the meaning. And what is your second tattoo of?
Scott Stapp: Keep searching! You're getting warm...
It's a great tat either way!! Here's the address to the article:
http://www.creednet.com/band/qanda/11_10_2001.html
There used to be an address for a guy who kept all the tats online, but I couldn't get it to work today. You can try again if you'd like though:
http://www.jonahthompson.com/creedtattoos2.html