to ‧ bac ‧ co /təˈbækəʊ $ -koʊ/ BrE AmE noun [uncountable]
[ Date: 1500-1600 ; Language: Spanish ; Origin: tabaco , probably from Taino , 'tobacco leaves rolled up and smoked' ]
1 . the dried brown leaves that are smoked in cigarettes, pipes etc
2 . the plant that produces these leaves