- two games, as of baseball, between the same teams on the same day in immediate succession.
- two games, as of basketball, between two different pairs of teams on the same day in immediate succession.
Origin of doubleheader
Examples from the Web for double-header
Historical Examples of double-header
It's a double-header, I saw a big squall like that off Savaii once.A Son Of The Sun
We had on a "double-header" (two engines) to take us over the grade.The Road
The little village of H—— is a sort of double-header, having a centre at each end, so to speak.
The final one was due, and the hostlers were steaming down with the double-header to pull it over the Pass.Held for Orders
Frank H. Spearman
St. Louis did get one game of a double-header, and Joe, whose arm was in perfect trim again, pitched.Baseball Joe in the Big League