What is "fellatahs"

Fulahs \Fu"lahs`\, Foolahs \Foo"lahs`\, Fulani \Fu"la*ni\, n. pl.; sing. Fulah, Foolah. (Ethnol.) A peculiar African race of uncertain origin, but distinct from the negro tribes, inhabiting an extensive region of Western Soudan. Their color is brown or yellowish bronze. They are Mohammedans. Called also Fellatahs, Foulahs, and Fellani. Fulah and Fulani are also used adjectively; as, Fulah or Fulani empire, tribes, language.