The definition of tobacco is a plant that yields nicotine-rich leaves, or nicotine-rich leaves that have been prepared to be smoked or chewed.(noun)
The plant used to produce leaves that go into making Newports, Marlboro Lights or other cigarettes is an example of tobacco.
See tobacco in Webster's New World College Dictionary
noun pl. tobaccos
Origin: Sp tabaco < ?; perhaps an old Sp name transferred to the New World plant
See tobacco in American Heritage Dictionary 4
noun pl. to·bac·cos or to·bac·coes
Origin: Spanish tabaco
Origin: , possibly of Caribbean origin.
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