- rule
- noun1》 a regulation or principle governing conduct or procedure within a particular area of activity.↘a code of practice and discipline for a religious community: the Rule of St Benedict.2》 control or government: an end to British rule.3》 (the rule) the normal or customary state of things.4》 a straight strip of rigid material used for measuring; a ruler.5》 a thin printed line or dash.verb1》 exercise ultimate power over (a people or nation).↘exert a powerful and restricting influence on.↘informal be very good or the best.2》 pronounce authoritatively and legally to be the case.3》 [often as adjective ruled] make parallel lines on (paper).4》 (rule something out/in) exclude (or include) something as a possibility.Phrasesas a rule usually, but not always.rule of law the restriction of power by well-defined and established laws.rule of the road a custom or law regulating the direction in which two vehicles should move to pass one another on meeting to avoid collision.rule of thumb a broadly accurate guide or principle, based on practice rather than theory.rule the roost be in complete control.Derivativesruleless adjectiveOriginME: from OFr. reule (n.), reuler (v.), from late L. regulare, from L. regula 'straight stick'.
English new terms dictionary. 2014.