cubeb n spicy fruit of the cubeb vine; when dried and crushed is used medicinally or in perfumery and sometimes smoked in cigarettes n tropical southeast Asian shrubby vine bearing spicy berrylike fruits n a cigarette containing cubeb Usage(s) So, experimenting first with cubebs, later with cubeb tobacco stuffed into the bowl, she eventually learned to keep the corncob puffing. Synonym(s) cubeb vine Java pepper Piper cubeba cubeb cigarette