2
: a worker or a machine that rules paper
3
: a smooth-edged strip (as of wood or metal) that is usually marked off in units (such as inches) and is used as a straightedge or for measuring
Examples of ruler in a Sentence
a summit attended by a number of rulers from around the world
This ruler shows inches and centimeters.
Recent Examples on the Web
Since independence in 1947, Pakistan has been led by four different military rulers and seen three coups.
—
Sophia Saifi, CNN Money, 18 Oct. 2025
Fear not, because with the Sun and your ruler Venus in your sign, you are protected.
—Georgia Nicols, Denver Post, 18 Oct. 2025
Rainbow Who is the ruler of the demons?
—Kara Nesvig, Parents, 17 Oct. 2025
Series on Alexander the Great, the Egyptian ruler, Ramses, and the Vikings have all found new international homes during MIPCOM.
—Stewart Clarke, Deadline, 13 Oct. 2025
See All Example Sentences for ruler
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Sophia Saifi, CNN Money, 18 Oct. 2025
Fear not, because with the Sun and your ruler Venus in your sign, you are protected.
—Georgia Nicols, Denver Post, 18 Oct. 2025
Rainbow Who is the ruler of the demons?
—Kara Nesvig, Parents, 17 Oct. 2025
Series on Alexander the Great, the Egyptian ruler, Ramses, and the Vikings have all found new international homes during MIPCOM.
—Stewart Clarke, Deadline, 13 Oct. 2025
See All Example Sentences for ruler
Cite this Entry
“Ruler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruler. Accessed 24 Oct. 2025.
Copy CitationKids Definition
ruler
noun
rul·er
ˈrü-lər 
2
: a straight strip of material (as wood or metal) marked off in units and used as a guide in drawing lines or for measuring
Love words? Need even more definitions?
Merriam-Webster unabridged
Share