tobacco

noun
to·​bac·​co | \ tə-ˈba-(ˌ)kō How to pronounce tobacco (audio) \
plural tobaccos

Definition of tobacco

1 : any of a genus (Nicotiana) of chiefly American plants of the nightshade family with viscid foliage and tubular flowers especially : a tall erect annual tropical 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 (such as cigars or cigarettes) also : smoking as a practice has sworn off tobacco
4 : a moderate brown