rule
Pronunciation: (rl), [key] — n., v., ruled, rul•ing.
—n. - 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).
- (cap.)the constellation Norma.
- a thin, type-high strip of metal, for printing a solid or decorative line or lines.
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- 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.
- (formerly)
- a fixed area in the neighborhood of certain prisons within which certain prisoners were allowed to live.
- the freedom of such an area.
- behavior.
- generally; usually: He arrives at eleven o'clock, as a rule.
—v.t. - to control or direct; exercise dominating power, authority, or influence over; govern: to rule the empire with severity.
- to decide or declare judicially or authoritatively; decree: The judge ruled that he should be exiled.
- to mark with lines, esp. parallel straight lines, with the aid of a ruler or the like: to rule paper.
- to mark out or form (a line) by this method: to rule lines on paper.
- to be superior or preeminent in (a specific field or group); dominate by superiority; hold sway over: For centuries, England ruled the seas.
—v.i. - to exercise dominating power or influence; predominate.
- to exercise authority, dominion, or sovereignty.
- to make a formal decision or ruling, as on a point at law.
- to be prevalent or current: Higher prices ruled throughout France.
- to rule out the possibility of error.
- to prove to be unrelated or not for consideration; eliminate; exclude:to rule out the possibility of error.
- to make impossible or impracticable:The rainstorm ruled out the holiday camping.
- See(def. 4).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.