
1) Lake ontario city 2) Toronto suburb
Found on
https://www.crosswordclues.com/clue/oshawa

Oshawa (2013 population 157,000; CMA 356,177) is a city in Ontario, Canada, on the Lake Ontario shoreline. It lies in Southern Ontario approximately 60 kilometres east of downtown Toronto. It is commonly viewed as the eastern anchor of the Greater Toronto Area and of the Golden Horseshoe. It is the largest municipality in the Regional Municipality...
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http://en.wikipedia.org/wiki/Oshawa
[electoral district] Oshawa (formerly known as Oshawa—Whitby) is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1968. It consists of the southern and eastern parts of the City of Oshawa south and east of a line drawn from west to east along King Street West, north along O...
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http://en.wikipedia.org/wiki/Oshawa_(electoral_district)
[provincial electoral district] Oshawa is a provincial electoral district in Ontario, Canada, that has been represented in the Legislative Assembly of Ontario since 1955. It consists of the southern and eastern parts of the City of Oshawa south and east of a line drawn from west to east along King Street West, north along Oshawa Creek, east...
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http://en.wikipedia.org/wiki/Oshawa_(provincial_electoral_district)

city, regional municipality of Durham county, southeastern Ontario, Canada. It lies on the north shore of Lake Ontario, just northeast of Toronto. ...
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http://www.britannica.com/eb/a-z/o/35

HMCS Oshawa was a Canadian minesweeper of 950 tons displacement launched in 1943. HMCS Oshawa was powered by two 3-drum type boilers providing a top speed of 15 knots and carried a complement of 104. She was armed with one 4 inch dual-purpose gun; four 20 mm Oerlikon guns; one hedgehog anti-ship mortar and two depth charge throwers.
Found on
http://www.probertencyclopaedia.com/browse/RO.HTM
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