Kat

noun

1. The principal ancient Egyptian unit of weight, equal almost to one fiftieth of a pound avoirdupois, according to several well-preserved standards. Also ket.
2. Same as kafta. See Catha.
3. An Arabian shrub (Catha edulis) the leaves of which are used as tea by the Arabs.
4. Symbol for katal, an SI unit of measurement of catalytic activity.
5. Alternative spelling of khat.