Ruler | Mean of ruler in English Dictionary
/ˈruːlɚ/
- Noun
- a person (such as a king or queen) who rules a country, area, group, etc.
- a summit attended by a number of rulers from around the world
- 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
- This ruler shows inches and centimeters.