triple-header

[ trip-uh l-hed-er ]
/ ˈtrɪp əlˈhɛd ər /

noun Sports.

a set of three games, as of basketball, each game being played in the same arena on the same day and often between different pairs of teams.

Origin of triple-header

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019