• (n.) The fragrant roots of the Saussurea Costus, exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients.
Pa·chak' noun (Botany) The fragrant roots of the Saussurea Costus , exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients. [ Written also putchuck .]