2915.01 Gambling definitions. As used in this chapter: (A) 'Bookmaking' means the business of receiving or paying off bets. (B) 'Bet' means the hazarding of anything of value upon the result of an event, undertaking, or contingency, but does not include a bona fide business risk. (C) 'Scheme of chance' means a slot machine unless authorized under Chapter 3772. Of the Revised Code, lottery unless..