Pronunciation: (kō'su, -zu, kô'-), [key]
—pl. -sas, (esp. collectively) -sa for 1.
1. a member of a Nguni people of eastern Cape Province, Republic of South Africa.
2. the Bantu language of the Xhosa. Also,Xosa.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.