What does "house rule" mean?

A rule adopted by a particular establishment.

What is a synonym for "house rule"?

Common synonyms include: local edict, local rule.

noun

noun ·Rare ·Advanced level

Noun

1
A rule adopted by a particular establishment.
"A house rule was put into effect which set aside certain hours when the hall was to be used by white patrons only."
2
A rule used in playing a game that is not part of the official ruleset.

"A house rule was put into effect which set aside certain hours when the hall was to be used by white patrons only."