A gum resin, the inspissated exudate from the root of Ferula foetida (family Umbelliferae); malodorous material used as a repellant against dogs, cats, and rabbits, and formerly used as an antispasmodic; in Asia, used as a condiment and flavoring agent.
Synonym(s):
devil's dung.
[Pers. aza, mastic, + L. foetidus, fetid]