Breadcrumb Home > Dictionary > Index T tobacco: Meaning and Definition of Find definitions for: to•bac•co Pronunciation: (tu-bak'ō), [key] — pl. -cos, -coes. any of several plants belonging to the genus Nicotiana, of the nightshade family, esp. one of those species, as N. tabacum, whose leaves are prepared for smoking or chewing or as snuff. the prepared leaves, as used in cigarettes, cigars, and pipes. any product or products made from such leaves. any of various similar plants of other genera. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tobacco (Thesaurus) tob tobacco aphid TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language