Webster’s Revised Unabridged Dictionary · 1913
Zumbooruk
Zum·boo′ruk (zŭm·bo͞o′rŭk), n. [Turk. & Ar. zambūrak, fr. Ar. zambūr a hornet.] (Mil.) A small cannon supported by a swiveled rest on the back of a camel, whence it is fired, — used in the East.