means A plant of the nightshade family whose dried leaves are smoked, chewed, or sniffed for their nicotine, and which gives us cigarettes, cigars, and pipe tobacco.

from Comes through Spanish 'tabaco,' borrowed in the early 1500s from the Caribbean peoples Spaniards first encountered. The exact original sense is debated: some say the Taíno word named a pipe or rolled-leaf bundle for smoking rather than the plant itself, and the name then slid onto the plant. There may also be an echo of the place-name Tobago. Either way, it sailed from the Americas to Spain and then spread, leaf and word together, across the world.