,noun, verb, ruled, rul⋅ing.| 1. | a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess. |
| 2. | the code of regulations observed by a religious order or congregation: the Franciscan rule. |
| 3. | the customary or normal circumstance, occurrence, manner, practice, quality, etc.: the rule rather than the exception. |
| 4. | control, government, or dominion: under the rule of a dictator. |
| 5. | tenure or conduct of reign or office: during the rule of George III. |
| 6. | a prescribed mathematical method for performing a calculation or solving a problem. |
| 7. | ruler (def. 2). |
| 8. | (initial capital letter ) Astronomy. the constellation Norma. |
| 9. | Printing. a thin, type-high strip of metal, for printing a solid or decorative line or lines. |
| 10. | Law.
|
| 11. | rules, Penology. (formerly)
|
| 12. | Obsolete. behavior. |
| 13. | to control or direct; exercise dominating power, authority, or influence over; govern: to rule the empire with severity. |
| 14. | to decide or declare judicially or authoritatively; decree: The judge ruled that he should be exiled. |
| 15. | to mark with lines, esp. parallel straight lines, with the aid of a ruler or the like: to rule paper. |
| 16. | to mark out or form (a line) by this method: to rule lines on paper. |
| 17. | to be superior or preeminent in (a specific field or group); dominate by superiority; hold sway over: For centuries, England ruled the seas. |
| 18. | to exercise dominating power or influence; predominate. |
| 19. | to exercise authority, dominion, or sovereignty. |
| 20. | to make a formal decision or ruling, as on a point at law. |
| 21. | to be prevalent or current: Higher prices ruled throughout France. |
| 22. | rule out,
|
| 23. | as a rule, generally; usually: He arrives at eleven o'clock, as a rule. |
| 24. | rule the roost. roost (def. 6). |

rule (rōōl) n.
v. tr.
rule out
Idiom(s): as a ruleIn general; for the most part: As a rule, we take the bus. [Middle English reule, from Old French, from Vulgar Latin *regula, from Latin rēgula, rod, principle; see reg- in Indo-European roots.] rul'a·ble adj. |
rule (r&oomacr;l)
n.
A usual, customary, or generalized course of action or behavior.
A generalized statement that describes what is true in most or all cases; a standard.
as a rule
In general, usually, as in As a rule Irene does not eat meat. [Mid-1800s]