Laurentia

Etymology
A formation named after the Saint Lawrence River:. Or, from  (from ), already in use to describe the Laurentian Mountains and their associated geologic complex (and by extension Canada as a whole).

Proper noun

 * 1)  The craton that forms the geological core of North America, and that was a separate continent in the past (before merging into Laurasia).
 * 2)  Canada.
 * 1)  Canada.