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.
A pair of sporting events, one after the other, at a single venue.
The next jazz double-header at The Sound Lounge will feature the Leonie Cohen Trio and the Sam Hawkins Quartet
A pair of sporting events, one after the other, broadcast on the same television channel.
The catching of a single fish simultaneously by two fishermen when fishing together.
A double-headed coin.
A train pulled by two locomotives.