Also 6–7 bateman. [Turkish (Chaghatai) bātmān, (Osmanli) baṭmān, baṭman, a weight equal to the Pers. man, the Anglo-Indian maund.] An oriental weight varying greatly in value according to the locality.
1599. Hakluyt, Voy., II. 247. Euery bateman here [i.e., Babylon] maketh 7 pound and 5 ounces English waight.
1616. Purchas, Pilgr. (1864), 38. A Batman is fiue and fiftie pound weight English.
1740. Thompson & Hogg, in Hanway, Trav. (1762), I. IV. lii. 242. Their weights [at Khiva] are the great batman, equal to eighteen lb. russian, and the lesser batman, nine and a quarter.
1852. McCulloch, Dict. Comm., 391. [At Constantinople] 6 okes [i.e., about 16 lbs.] = 1 batman.
