- 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.
two performances or two events occurring one after the other or within a short time of each other.
a railroad train pulled by two locomotives.
- doubleday, abner,
- doublet pattern
Origin of doubleheader
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019