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WordReference Random House Learner's Dictionary of American English © 2024to•bac•co /təˈbækoʊ/USA pronunciation n., pl. -cos, -coes. - Plant Biology[uncountable] a plant of the nightshade family whose leaves are prepared for smoking.
- the prepared leaves of this plant, as used in cigarettes, cigars, and pipes: [uncountable]The smell of tobacco hung in the room.[countable]different tobaccos for different blends.
to•bac•co•less, adj. WordReference Random House Unabridged Dictionary of American English © 2024to•bac•co (tə bak′ō),USA pronunciation n., pl. -cos, -coes. - Plant Biologyany 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.
- Plant Biologyany of various similar plants of other genera.
- Arawak: a pipe for smoking the plant, or roll of leaves smoked, or the plant
- Spanish tabaco, perh.
- 1525–35
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