What is Rule?

Rule definition and meaning on Dictionary terms:
a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess.
the code of regulations observed by a religious order or congregation: the Franciscan rule.

the customary or normal circumstance, occurrence, manner, practice, quality, etc.: the rule rather than the exception.
control, government, or dominion: under the rule of a dictator.
tenure or conduct of reign or office: during the rule of George III.
a prescribed mathematical method for performing a calculation or solving a problem.
ruler(def 2).
(initial capital letter) Astronomy. the constellation Norma.
Printing. a thin, type-high strip of metal, for printing a solid or decorative line or lines.
Law. a formal order or direction made by a court, as for governing the procedure of the court (general rule) or for sending the case before a referee (special rule).a legal principle.a court order in a particular case.

rules, Penology. (formerly) a fixed area in the neighborhood of certain prisons within which certain prisoners were allowed to live.the freedom of such an area.

Obsolete. behavior.

verb (used with object), ruled, rul