This is a useful site for finding out the meanings of various hiking and climbing sports. This site is written in Ireland, so some words may be different than in the US, but they tend to point out the differences.
A short, concise presentation of Soccer (that's Football for the rest of the world) terms. Did you know Soccer players dribble and tackle? If you're new to the sport or just aren't sure of a term, this can help.
You can find a word or add a word with this constantly updated sports resource. They also have a grammar help guide, interactive advanced search, sports directory/sports by category, society of sports terminology, and more.