A regulation, law, guideline. / A regulating principle. / The act of ruling; administration of law; government; empire; authority; control. / A normal condition or state of affairs.

(transitive, stative) To regulate, be in charge of, make decisions for, reign over. / (slang, intransitive, stative) To excel. / (intransitive) To decide judicially.

(obsolete) Revelry.

(obsolete, intransitive) To revel.

The rules are certain and cannot be ignored or worked around.

(slang, nonstandard) Alternative form of rules are rules

(idiomatic, transitive) To consider (something) as a possible option among others.

plural of rule

Third-person singular simple present indicative form of rule

Having printed lines. / (geometry, of a surface) Being a scroll; being such that through every point of S there is a straight line that lies on S.