Dutch Colonial is a style of domestic architecture, primarily characterized by gambrel roofs having curved eaves along the length of the house. Modern versions built in the early 20th century are more accurately referred to as "Dutch Colonial Revival", a subtype of the Colonial Revival style.  The modern use of the term is to indicate a broad gambrel roof with flaring eaves that extend over the long sides, resembling a barn in construction.

 

Wikipedia contributors, "Dutch Colonial Revival Architecture," Wikipedia, The Free Encyclopedia (accessed June 30, 2021).

 

For more information:

 

https://sites.google.com/site/buildingwatching/styles/6-dutch-colonial-revival

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Blumenson, John. Ontario Architecture: A Guide to Styles and Building 1784 to the Present. Markham, Ont.: Fitzhenry & Whiteside, 1990.