ruler
A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings.
Other meanings
A person who rules or governs; someone or something that exercises dominion or controlling power over others.
Related words
- coruler
- overruler
- ruleress
- rulerless
- rulership
- subruler
- architect's ruler
- agate ruler
- co-ruler
- sign ruler
- drafter's ruler
- home ruler
Word history
From Middle English "reuler".
Where this comes from
This definition is adapted from “ruler” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.