Definition of "45th" []

• The ordinal number of forty-five in counting order (adjective)

WordNet. Princeton University. 2010.

• "Not sure that inexperienced CxP people trying to pick a fight with the 45th is the most effective expenditure of taxpayers $$."
• "A German coach on the side of the course gave him some gel nutrients and a Gatorade, and Freeman was able to finish the race in 45th overall."
• "Today the idea that a car should be doing 40mph on 45th is absurd."