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
The dynastic rulers in the French House of Bourbon, unlike the rulers in Britain, did not cede power voluntarily; Robespierre and the Jacobins took it from them violently in the French Revolution.
—
Robert D. Atkinson, National Review, 9 Apr. 2025
Huge Tomb of Unknown Pharaoh Found: The burial chamber in Egypt most likely belonged to a ruler in a line of kings once lost to history, researchers said.
—Noriko Hayashi, New York Times, 8 Apr. 2025
With your celestial ruler, Mercury, back to basics, especially in your 10th house of boss moves and public persona, everything from the trajectory of your career to your sense of authority takes center stage.
—Valerie Mesa, People.com, 7 Apr. 2025
The emoluments clause is a provision of the U.S. Constitution (Article I, Section 9, Paragraph 8) that generally prohibits federal officeholders from receiving any gift, payment or other thing of value from a foreign state or its rulers, officers, or representatives.
—Rosemary Feitelberg, Footwear News, 7 Apr. 2025
See All Example Sentences for ruler
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Robert D. Atkinson, National Review, 9 Apr. 2025
Huge Tomb of Unknown Pharaoh Found: The burial chamber in Egypt most likely belonged to a ruler in a line of kings once lost to history, researchers said.
—Noriko Hayashi, New York Times, 8 Apr. 2025
With your celestial ruler, Mercury, back to basics, especially in your 10th house of boss moves and public persona, everything from the trajectory of your career to your sense of authority takes center stage.
—Valerie Mesa, People.com, 7 Apr. 2025
The emoluments clause is a provision of the U.S. Constitution (Article I, Section 9, Paragraph 8) that generally prohibits federal officeholders from receiving any gift, payment or other thing of value from a foreign state or its rulers, officers, or representatives.
—Rosemary Feitelberg, Footwear News, 7 Apr. 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 16 Apr. 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
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