double-header

noun7

1. •
   A pair of games played one after another between the same teams.

   • This afternoon we will have a double-header between the Bears and the Wolves, games at 3pm and 7:30pm.
2. •
   A pair of sporting events, one after the other, at a single venue.

   • The NRL season opener at the Olympic stadium will be a double-header: Dragons vs Eels and Souths vs Wests.
   • The next jazz double-header at The Sound Lounge will feature the Leonie Cohen Trio and the Sam Hawkins Quartet
3. •
   A pair of sporting events, one after the other, broadcast on the same television channel.
4. •
   A train pulled by two locomotives.

   • If this pipe is broken while running as the second engine of a double-header nothing will be lost as the operation of the distributing valve is then similar to that of a triple valve,[…]. — 1929
5. •
   A double-headed coin.
6. •
   (slang) Double penetration
7. •
   The catching of a single fish simultaneously by two fishermen when fishing together.