- An American plant (Nicotiana Tabacum) of the Nightshade
family, much used for smoking and chewing, and as snuff. As a medicine,
it is narcotic, emetic, and cathartic. Tobacco has a strong, peculiar
smell, and an acrid taste. - The leaves of the plant prepared for smoking, chewing,
etc., by being dried, cured, and manufactured in various ways.