n. pl. to·bac·cos or to·bac·coes
a. The tropical American plant Nicotiana tabacum of the nightshade family, widely cultivated for its leaves, which are used primarily for smoking.
b. The leaves of this plant, dried and processed chiefly for use in cigarettes, cigars, or snuff or for smoking in pipes.
2. Any of various other plants of the genus Nicotiana.
3. Products made from these plants.
4. The habit of smoking tobacco: I gave up tobacco.
[Spanish tabaco, probably partly from a Taíno word recorded by a Spanish chronicler as tabago, a tube for inhaling smoke or powdered intoxicating plants, and partly from Old Spanish atabaca, altabaca, a Mediterranean plant (Inula viscosa) having sticky, aromatic leaves widely used in traditional medicine (from Arabic al-ṭubbāq : al-, the + ṭubbāq, ṭabbāq, the plant I. viscosa, from Syriac dubāqā, birdlime, elm mucilage used as glue, from dbaq, to cling; akin to Arabic dabiqa and Hebrew dābaq, to cling).]
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