Entry 2 senses · 2 variants Webster, 1913 Maha · Ma·ha · IPA /ˈmɑ.hə/ n. prop. n. 01 n. A kind of baboon; the wanderoo. 1. A kind of baboon; the wanderoo.(Zool.) 02 prop. n. A member of the Siouan people formerly living in the Missouri river valley in Northeastern Nebraska; called also Omaha. 1. A member of the Siouan people formerly living in the Missouri river valley in Northeastern Nebraska; called also Omaha.(Ethnol.) Also: Omaha