Examples of ruler in a sentence
a summit attended by a number of rulers from around the world
This ruler shows inches and centimeters.
First Known Use of ruler
RULER Defined for English Language Learners
Definition of ruler for English Language Learners
: a person (such as a king or queen) who rules a country, area, group, etc.
: a straight piece of plastic, wood, or metal that has marks on it to show units of length and that is used to measure things
RULER Defined for Kids
Definition of ruler for Students
1 : a person (as a king or queen) having supreme power over a nation
2 : a straight strip (as of plastic, wood, or metal) with a smooth edge that is marked off in units and used for measuring or as a guide in drawing straight lines
Seen and Heard
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