Department of Corrections: Blazer VS. Sport Coat
As near as we can tell, there’s some kind of unstoppable, nefarious force at work that’s been trying, and succeeding, to grandfather in the use of “blazer” to refer to what are actually sport coats. But unlike the spineless wordsmen at Oxford English Dictionary, who caved and accepted the definition of “literally” that actually means “figuratively,” you shouldn’t stand for it.
Put simply: not all blazers are blazers.
Here’s how you can be on the right side of sartorial nomenclature.