/ Dictionary / Index O Ottawa: Meaning and Definition of Find definitions for: Ot•ta•wa Pronunciation: (ot'u-wu), [key] — pl. -was, -wa a city in and the capital of Canada, in SE Ontario. 304,462. a river in SE Canada, flowing SE along the boundary between Ontario and Quebec into the St. Lawrence at Montreal. 685 mi. (1105 km) long. a city in NE Illinois, SW of Chicago. 18,166. a town in E Kansas. 11,016. a member of a tribe of Algonquian Indians of Canada, forced into the Lake Superior and Lake Michigan regions by the Iroquois confederacy. the Ojibwa language as used by the Ottawa Indians. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ottawa (Thesaurus) ottava rima otter Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language