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
Her cold, calculating demeanor and constant desire to be in authority also reflect Capricorn's planetary ruler, Saturn.
—
Valerie Mesa, People.com, 4 Mar. 2025
Now, after 13 years of civil war and more than half a century of subjugation under the Assad regime, the Druze in Hader seem to have little appetite for taking their chances with the new ruler in Damascus.
—Uriel Heilman, New York Daily News, 2 Mar. 2025
Only The Beatles have collected more, as the British rock group snagged 19 rulers during the band’s time together and in the years following the break-up felt around the world.
—Hugh McIntyre, Forbes, 2 Mar. 2025
His interest in sports analytics comes from his math teacher father, who handed out rulers to Trick-or-Treaters each year.
—Jesse Newell, Kansas City Star, 28 Feb. 2025
See All Example Sentences for ruler
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Valerie Mesa, People.com, 4 Mar. 2025
Now, after 13 years of civil war and more than half a century of subjugation under the Assad regime, the Druze in Hader seem to have little appetite for taking their chances with the new ruler in Damascus.
—Uriel Heilman, New York Daily News, 2 Mar. 2025
Only The Beatles have collected more, as the British rock group snagged 19 rulers during the band’s time together and in the years following the break-up felt around the world.
—Hugh McIntyre, Forbes, 2 Mar. 2025
His interest in sports analytics comes from his math teacher father, who handed out rulers to Trick-or-Treaters each year.
—Jesse Newell, Kansas City Star, 28 Feb. 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 9 Mar. 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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