Also zumbooruck, -boorak, -barak, zomboru(c)k, zamboorak, -borouk, -búrak. [ad. Hindustani zambŵrak, f. Pers. zambūr hornet. Cf. Pers. zemberek crossbow.] A small swivel-gun, esp. one mounted on the back of a camel. Hence Zumboorukchee, a gunner.
1825. J. B. Fraser, Journ. Khorasan, 198. One or two shots from Zumboorucks dropping among them. Ibid. (1840), Trav. Koordistan, II. xiii. 249. Four guns, and a large body of zumboorukchees.
1863. R. F. Burton, Abeokuta, I. 75. East Indian jezails and zumbaraks.
1904. Major G. F. MacMunn, in Blackw. Mag., July, 87/1. Rakish swivel-guns, bell-mouthed zumbooraks.