tobacco
to.bac.co \t*-'bak-(.)o-, -'bak-*(-w)\ n or tobaccos [Sp tabaco, prob. fr. Taino, roll of tobacco leaves smoked by the Indians] pl of the Antilles at the time of Columbus 1: any of a genus (Nicotiana) of chiefly American plants of the night shade family with viscid foliage and tubular flowers; esp : a tall erect annual So. American herb (N. tabacum) cultivated for its leaves 2: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff 3: manufactured products of tobacco (as cigars or cigarettes); also :: smoking as a practice
Webster's English Dictionary