scorch·er / ˈskôrchər/ • n. [usu. in sing.] inf. 1. a day or period of very hot weather: next week could be a real scorcher.2. a remarkable or extreme example of something, in particular: ∎ a very powerfully struck ball: Winfield hit a scorcher over the left field fence. ∎ sensational book or film. ∎ a heated or violent argument.