doubleheader

US: /ˈdʌbəlˈhɛdɚ/ ,(dub′əl hed′ər)

WordReference Random House Learner's Dictionary of American English © 2025

dou•ble•head•er /ˈdʌbəlˈhɛdɚ/   n. [countable]

1. Sport two games usually played on the same day one after the other.

WordReference Random House Unabridged Dictionary of American English © 2025

dou•ble•head•er  (dub′əl hed′ər), n. 

1. Sport
   • 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.
2. two performances or two events occurring one after the other or within a short time of each other.
3. Rail Transport a railroad train pulled by two locomotives.

• double + head + -er¹ 1895–1900, American.

Collins Concise English Dictionary © HarperCollins Publishers::

double-header noun

1. a train drawn by two locomotives coupled together to provide extra power
2. Also called: twin bill two games played consecutively by the same teams or by two different teams
3. a coin with the impression of a head on each side
4. a double ice-cream cone