a plant (Catha edulis) of the staff-tree family, found in Africa and Arabia: the fresh leaf is chewed for its stimulating effects or used in tea
Origin:
Ar qāt
See khat in American Heritage Dictionary 4
noun
An evergreen shrub (Catha edulis) native to tropical East Africa, having dark green opposite leaves that are chewed fresh for their stimulating effects.
A tealike beverage prepared from the leaves of this plant.