Noun
side pot (plural side pots)
(poker) A pot separated from the main pot, containing the chips bet and raised by players, up from the amount wagered by the player all-in with the fewest chips.
Player A goes all-in with 300 chips. Player B raises, and goes all-in with 400 chips. Player C calls. Main pot = 900 chips (300 from each player). Side pot = 200 chips (the remaining 100 from players B and C).