Get away from harassed negotiator in Canada (7)

I believe the answer is:

ontario

I'm a little stuck... Click here to teach me more about this clue!

'in canada' is the definition.
('Ontario' is part of 'canada')

I cannot understand how the rest of the clue works.

(Other definitions for ontario that I've seen before include "part of Canada" , "vast lake" , "Oration in Canadian province" , "Province of central Canada" , "part of N America" .)

I've seen this clue in The Irish Times.

Want a hint initially instead of a full solution? Install my app