A form of bet on the full set of possible combinations from a larger group (of teams, racehorses, etc.), such as the outcomes A+B, B+C and A+C from a group ABC.
A petition signed in a circular fashion to disguise the order in which it was done.
A method of dividing loot amongst a party of players by having the game assign in turn loot to a player or an enemy corpse to loot to a player.
A form of trade, a series of exchanges in which each person in turn receives items of the same value from the previous person, finally returning to the original donor. For example in (philately) a stamp collector sends a packet of stamps to the next person on a list, who then takes the stamps he wants, replacing them with like-valued stamps, and then passing the packet to the next person on the list, until the packet ultimately returns to the original sender.
A letter, with copies to multiple recipients, usually at Christmastime and often enclosed with a card, giving family news of interest to the sender.
The MIDI technique of using different sampled versions of the same sound for successive notes, to avoid an unnaturally repetitive effect.
A method of dividing labor between several similar subsystems, assigning tasks to each of them in turn in an attempt to use resources more equitably.
The part of a tournament in which every player or team competes against each of the others in turn.