Hasheesh \Hash"eesh\, Hashish \Hash"ish\, n. [Ar. hash[=i]sh.] A slightly acrid gum resin produced by the common hemp ({Cannabis saltiva}), of the variety Indica, when cultivated in a warm climate; also, the tops of the plant, from which the resinous product is obtained. It is narcotic, and has long been used in the East for its intoxicating effect. See {Bhang}, and {Ganja}.