Added 9 October 2026 doubleheader noun Categories: ActionsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about doubleheader at Wordnik → Where our words come from → Two games instead of one (especially in baseball when the same two teams play two games on the same day). Related Words: nonconferencematchuprainoutinninginterleaguenightcapquarterfinalsemifinalintrasquadshutout Back to today's word