|This article/section is a stub — probably a pile of half-sorted notes, is not well-checked so may have incorrect bits. (Feel free to ignore, fix, or tell me)|
Punch is a general term referring to many mixed drinks that usually contains fruit and/or fruit juice.
A punch is often called that when it is served in large bowls (punch bowls) at parties.
It may be alcoholic or not, though in some contexts it's rather more likely.