[f. BET v. + -ER1. As in other cases where a general agent-noun becomes somewhat specific, the tendency is to spell with -or; cf. abettor.] One who makes bets.

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1609.  B. Jonson, Sil. Wom., I. i. (1616), 531. Able to giue ’hem the character of every bowler, or better [ed. 1640 bettor] o’ the greene.

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1628.  Earle, Microcosm., xlvii. 102. The betters are the factious noise of the alley, or the gamesters beadsmen that pray for them.

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1711.  Addison, Spect., 126, ¶ 2. Notwithstanding he was a very fair Bettor, no Body would take him up.

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1859.  Sala, Tw. round Clock (1861), 182. Like the honourable betters inside, and the thievish touts outside.

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1878.  H. Smart, Play or Pay, xi. 234. Some of the big bettors of the Turf have awoke to the fact that this is, in their vernacular, ‘a great gamble.’

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