Pronunciation: (yak'u-mô", -mu), [key]
—pl. -mas, (esp. collectively) -ma for 3.
1. a city in S Washington. 49,826.
2. a river in S central Washington. 203 mi. (327 km) long.
3. a member of a North American Indian people of Washington.
4. the Sahaptin language of the Yakima.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.