'Ogalala' definitions:

Definition of 'Ogalala'

(from WordNet)
noun
A member of the Siouan people who constituted a division of the Teton Sioux and who formerly inhabited the Black Hills of western South Dakota [syn: Oglala, Ogalala]
noun
A Siouan language spoken by the Oglala [syn: Oglala, Ogalala]