Definitions

1. noun

A strip of material with equally spaced markings used for measuring lengths and widths.

“The carpenter used a ruler to measure the length of the wood.”

2. noun

A person who rules a country or territory.

“The ruler of the kingdom was a just and fair leader.”

3. verb

To have control or authority over something or someone.

“She ruled the school’s debate team with ease.”

4. verb

To guide or direct the movement of something, especially a vehicle.

“The pilot had to rule the plane through the dense fog.”