Also spelled rullers
noun
verb
Freq #7774
Meanings
-
1
noun
A flat, straight strip of wood, plastic, or metal marked with units, used for measuring or drawing straight lines.
She used a ruler to draw a straight line across the page.
-
2
noun
A person who has official power over a country or its people.
He became the ruler of a vast empire.
Thesaurus
Synonyms
Etymology
From Middle English reuler; equivalent to rule + -er.
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