noun, plural A·rap·a·hos, (especially collectively) A·rap·a·ho.
Examples from the Web for arapaho
This gives as recent additions to the class in question, the Blackfoot—the Shyenne—the Arapaho.Opuscula|Robert Gordon Latham
This refers to the first coming among the Kiowa of Sitting-bull, the Arapaho prophet of the ghost dance, in the fall of 1890.
Let him take heed, or he too shall become a shooting-mark for the Arapaho warriors!The Wild Huntress|Mayne Reid
They admitted that five war parties, three Cheyenne and two Arapaho, were yet in the field.
Fitzpatrick had spent the summer of 1850 in summoning the bands of Cheyenne and Arapaho to the conference.