(1) The betel nut, or arecanut, has long been associated with oral and esophageal cancer because of its tannin content and the tannin contributed by the highly astringent cutch from Acacia catechu L. and Uncaria gambir Roxb.
Kutch
Definition:
(n.) The packet of vellum leaves in which the gold is first beaten into thin sheets.
(n.) See Catechu.
Example Sentences:
(1) A survey in February-March 1984 yielded a total of 9222 specimens of anopheline mosquitoes collected from 9 talukas of Kutch out of which 6729 were A. stephensi.