[Arab. qat.] A shrub, Catha edulis, N.O. Celastraceæ, a native of Arabia, where it is extensively cultivated for its leaves, which have properties similar to those of tea and coffee.
1858. Penny Cycl., 2nd Suppl. 107/1. C[atha] edulis is the Kat or Khât of the Arabs.
1866. Treas. Bot., 239. The use of Kât in Arabia is said … to have preceded that of coffee.
