ruler

Pronunciation

• (UK) IPA: /ˈɹuːlə(ɹ)/, SAMPA: /"r\u:l@(`)/
•  Audio (US)^{help, file}

Noun

Singular ruler

Plural rulers

A ruler made of steel

1. (countable) A ruler is a device used for measuring things.

   The ruler says that the shelf is 12 centimeters wide.

2. If a person is a ruler, they are in charge.

   The king was a ruler of many people.

Related words

• rule