ruler
1 of 1nouna person who controls or leads a country, territory, or group of people
- The ruler of the kingdom made decisions that affected all its citizens.
- She was known as a fair ruler who listened to her people's concerns.
- The ruler's policies were widely supported by the people.
- The ancient ruler built magnificent structures to demonstrate his power.
- The ruler's authority was challenged by neighboring kingdoms.
a straight, flat tool typically made of wood, plastic, or metal, used for measuring and drawing straight lines
A ruler is a straight, flat tool used to measure length or draw straight lines. It is typically made of wood, plastic, or metal and is marked with units of measurement, such as inches or centimeters. Rulers are commonly used in schools, offices, and workshops for tasks that require accurate measurements, like drawing, crafting, or construction. They come in different sizes and styles, including flexible or rigid versions, and some may have additional features like marked angles for geometric work. Rulers are simple but essential tools for a wide range of activities.
- The student used a ruler to draw precise lines on the graph paper.
- He measured the length of the board using a ruler before cutting it.
- The tailor used a ruler to ensure accurate measurements for sewing the garment.
- She marked the intervals on the ruler to create a scale for the map.
- The carpenter carried a steel ruler in his toolbox for accurate measurements on the job site.