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ruler

play
noun rul·er \ˈrü-lər\

Simple Definition of ruler

  • : 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

Full Definition of ruler

  1. 1 :  one that rules; specifically :  sovereign

  2. 2 :  a worker or a machine that rules paper

  3. 3 :  a smooth-edged strip (as of wood or metal) that is usually marked off in units (as inches) and is used as a straightedge or for measuring

rul·er·ship play \-ˌship\ noun

Examples of ruler

  1. a summit attended by a number of rulers from around the world

  2. This ruler shows inches and centimeters.



14th Century

First Known Use of ruler

14th century



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