rosterrule
nounUK /ˈrɒstəruːl/
US /ˈrɑːstərruːl/
A roster rule is a rule about who is on a list and when they take turns.
The coach made a roster rule that everyone gets to play in each game.
OTHER MEANINGS
2. A rule that says whose name goes on a list.
The roster rule says new kids get added at the end of the list.
3. A rule about the order people take turns.
By the roster rule, it is my turn to feed the class pet.
4. A rule that keeps a team list fair for everyone.
The roster rule makes sure no one is left off the team list.