What is the meaning of Rule?

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.

Conduct; behaviour.

An order regulating the practice of the courts, or an order made between parties to an action or a suit.

A determinate method prescribed for performing any operation and producing a certain result.

A ruler; device for measuring, a straightedge, a measure.

A straight line (continuous mark, as made by a pen or the like), especially one lying across a paper as a guide for writing.

A thin plate of brass or other metal, of the same height as the type, and used for printing lines, as between columns on the same page, or in tabular work.

To regulate, be in charge of, make decisions for, reign over.

To excel.

To decide judicially.

To establish or settle by, or as by, a rule; to fix by universal or general consent, or by common practice.

To mark (paper or the like) with rules (lines).

Revelry.

To revel.

to run

inflection of rular:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org