Definition of millets:
(n) :
Any of a group of various types of grass or its grains used as food, widely cultivated in the developing world.
(n) :
(specifically) Common millet, in particular of species Panicum miliaceum.
(n) :
(historical) A semi-autonomous confessional community under the Ottoman Empire, especially a non-Muslim one. [from 19th c.]
(n) :
A surname.
(n) :
A town in Alberta, Canada.