ruler

• Personne qui gouverne un pays, un État ou un groupe, ou instrument droit servant à mesurer des longueurs ou à tracer des lignes droites.

A noun referring to a person who governs or leads a country, state, or group, or a straight strip of material used for measuring length or drawing straight lines.

1. Measuring toolA1formal

   A straight strip of wood, metal, or plastic used for measuring length or drawing straight lines.

   Règle (instrument de mesure)

   • Use a ruler to draw a straight line.
   • The student measured the paper with a ruler.
   • She bought a 30-centimeter ruler for geometry class.

   Synonymesrulestraightedgeyardstick

2. Leader or sovereignA2formal

   A person who governs or commands a country, state, or group.

   Souverain ou gouvernant

   • The ruler of the kingdom signed a new law.
   • Many ancient rulers built great monuments.
   • The people demanded a fair and just ruler.

   Synonymesautocratchiefcommanderdictatorgovernorheadleadermonarchpotentatesovereign

   Antonymesfollowersubjectsubordinate