plant genus named 1728, from Gk. kannabis "hemp," a Scythian or Thracian word. Also source of Rus. konoplja, Pers. kanab, Lith. kanapes "hemp," and Eng. canvas and possibly hemp.
Main Entry: can·na·bis Pronunciation: 'kan-&-b&s Function: noun 1 acapitalized: a genus of annual herbs (familyMoraceae) that have leaves with three to seven elongate leaflets and pistillate flowers in spikes along the leafy erect stems and that include the hemp (C. sativa) b:HEMP 1 2: any of the preparations (as marijuana or hashish) or chemicals (as THC) that are derived from the hempand are psychoactive
cannabis can·na·bis (kān'ə-bĭs) n. Any of several mildly euphoriant, intoxicating hallucinogenic drugs, such as hashish or marijuana, prepared from various parts of the hemp plant.