Look up ruler in Wiktionary, the free dictionary.
A ruler is a device used to measure distances or draw straight lines.
Ruler may also refer to:
- A person who wields significant or total political power
- Ruler (film), a 2019 Indian Telugu-language action film
- Ruler (gamer), stage name of League of Legends player Park Jae-hyuk
- Ruler (horse), a racehorse
- Golomb ruler, comprises a series of marks such that no two pairs of marks are the same distance apart
- Slide rule, a mechanical analog computer
- "Ruler", a song by Marnie Stern from This Is It and I Am It and You Are It and So Is That and He Is It and She Is It and It Is It and That Is That
See also
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