from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bulbous black fungus (Ustilago maydis) that infects corn, producing silvery, swollen, pebblelike kernels. The kernels have a smoky-sweet flavor and are sometimes harvested and used in a variety of Mexican dishes. Also called corn smut, maize mushroom, Mexican truffle.
American Spanish, from Nahuatl quitlacochtli : quitlatl, dung + cochtli, asleep.(American Heritage® Dictionary of the English Language, Fourth Edition)