WordNet sense 1 (a hot vapor containing fine particles of carbon being produced by combustion):

smoking

WordNet sense 2 (a cloud of fine particles suspended in a gas):

fume

WordNet sense 3 (tobacco leaves that have been made into a cylinder):

roll of tobacco

WordNet sense 4 (street names for marijuana):

dope, gage, grass, locoweed, pot, skunk, sens, sess, green goddess, Mary Jane

WordNet sense 5 ((baseball) a pitch thrown with maximum velocity):

bullet, fastball, heater, hummer