Ottawa definition, Ottawa meaning | English dictionary

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1    the capital of Canada, in E Ontario on the Ottawa River: name changed from Bytown to Ottawa in 1854. Pop.: 313987 (1991)  
2    a river in central Canada, rising in W Quebec and flowing west, then southeast to join the St Lawrence River as its chief tributary at Montreal; forms the border between Quebec and Ontario for most of its length. Length: 1120 km (696 miles)  
English Collins Dictionary - English Definition & Thesaurus  
See also:

ottava, ottar, OTT, ottava rima

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