The phrase "domestic season" refers to the period of time in a sports league or competition that takes place within the country or region, involving teams or athletes from the same nation competing against each other. Full definition
And they'll complete one of the most dominant domestic seasons in decades. (footballwhispers.com)
Fifa 18 sees a predictable discount as we enter the final third of domestic seasons worldwide. (ab-gaming.com)
Although I can understand why Wenger would want to grant the players an extended holiday after such a long domestic season with Arsenal and then a busy summer at the Euro's, it is the missing presence of those players, that have largely limited our chances of grabbing all three points against Liverpool. (justarsenal.com)