Tea (n) - An infusion of dried leaves in boiling water - From the Chinese word t'e, the word for the plant commonly used to make Chinese tea.
Why someone should want to drink dried leaved in boiling water? Answer: Because he's an ignorant monkey who doesn't know better. Cute, eh? ~ Eddie the shipboard computer, Hitchhiker's Guide to the GalaxyTea-bag (n) - A small porous sack holding dried leaves for dunking in boiling water. Also, when some guy puts his testicles.... Ah, hell. If you don't know this definition by now I'm not going to be the one to tell you.