noun
(now chiefly motor racing) A person who scrutinises; a person responsible for scrutineering.
(Canada, elections) A poll-watcher.
(Canada) A person who observes any process which requires rigorous oversight.
verb
(transitive) To scrutinise; to thoroughly check that an election is being run fairly, or that a vehicle meets the rules of a competition, etc.
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge