Pronunciation: (pak'it),[key] —n. 1. a small group or package of anything: a packet of letters. 2. Also called pack'et boat", pack'et ship". a small vessel that carries mail, passengers, and goods regularly on a fixed route, esp. on rivers or along coasts.
3. Cards.a part of a pack of cards after being cut.
4. Informal.a large amount of money.
5. Brit. Slang. a. a painful blow or beating.
b. misfortune or failure.