First Nations (plural p)

1. (Canada) The indigenous peoples of Canada (typically not including Inuit or Metis); Indians.
   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin, published 2010, page 714:

     The prolonged suffering and ghastly deaths of Jesuit missionaries at the hands of hostile First Nations on the borders of the French colonies in Canada in the early seventeenth century rank high in the history of Christian suffering.

2. (Canada, less common) The indigenous peoples of any country or region.
   • 2006, Scott Simon, "Formosa's First Nations and the Japanese: from colonial rule to postcolonial resistance," Japan Focus, ISSN 1557-4660, [https://web.archive.org/web/20080309204819/http://japanfocus.org/products/details/1565]:

     As “savages” become soldiers, and soldiers become social activists, the tribe has rapidly developed a First Nations identity as advocates of both stripes mobilize memories of past resistance in different contexts. Whether the state is green or blue, therefore, Taroko memories will continue to shape the relationship between state and tribe.

3. (Australia) The Indigenous (Aboriginal and Torres Strait Islander) peoples of Australia.

First Nations (not comparable)

1. Alternative form of First Nation

1. plural form of First Nation