an evergreen shrub, Catha edulis, of Arabia and Africa, the leaves of which are used as a narcotic when chewed or made into a beverage
Also: khat, qat
Word origin
[1855–60; ‹ Ar qāt]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: barrage, boilerplate, keyword, output, superheat