Answer:

sidebet

Answer	Crossword Clue
SIDEBET	Secondary wager
SIDEBET	Extra action, so to speak
SIDEBET	Wager apart from the main action

SIDEBET	Secondary stake
SIDEBET	Ancillary action
SIDEBET	Auxiliary action
SIDEBET	Auxiliary action at Vegas
SIDEBET	Extra wager
SIDEBET	Dice wager.
SIDEBET	Gambler's choice
SIDEBET	Type of wager

SIDEBET	One-on-one gamble, usually
SIDEBET	Auxiliary wager
SIDEBET	Little extra action
SIDEBET	Extra action
SIDEBET	Not the main action
SIDEBET	Not the main wager