subs. phr. (old).—A swindler; sharper; victimiser of the unwary. BAT-FOWLING = swindling; rookery.

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  1608.  DEKKER, The Belman of London [GROSART, Works, iii. 131]. Sometimes likewise this Card-cheating goes not under the name of Bernard’s Lawe, but is called BATT FOWLING.

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