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ruler

rul·er

ruler

pronunciation:
ru lr
features:
Word Explorer
part of speech: noun
definition 1: a person who rules or leads.
The sultan was a wise ruler.
 
similar words:
lord, master, monarch, power
definition 2: a tool for measuring the length of something. A ruler is marked off in inches, centimeters, or other units.
 
synonyms:
rule
derivation: rulership (n.)
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See
  measurement, power, tool