Source : Webster's Revised Unabridged Dictionary (1913)

Buckra \Buck"ra\, n. [In the language of the Calabar coast,
   buckra means ``demon, a powerful and superior being.'' --J.
   L. Wilson.]
   A white man; -- a term used by negroes of the African coast,
   West Indies, etc.

Buckra \Buck"ra\, a.
   White; white man's; strong; good; as, buckra yam, a white
   yam.