Also rule. a strip of wood, metal, or other material having a straight edge and usually marked off in inches or centimeters, used for drawing lines, measuring, etc.
a person or thing that rules paper, wood, etc.
Astrology. the planet primarily associated with any sign of the zodiac or any house of the horoscope: The ruler of Aries is Mars. The ruler of Taurus is Venus.
Origin of ruler
Middle English word dating back to 1325–75; see origin at rule, -er1
OTHER WORDS FROM ruler
sub·rul·er,nounun·der·rul·er,noun
Words nearby ruler
rule of outlet, rule of the road, rule of three, rule of thumb, rule out, ruler, rulership, Rules, rules committee, rules of order, rule the roost
It features two ribbon placeholders, an expandable pocket, and a sturdy sewn-in pen holder and comes with a flat, 15-centimeter ruler and colorful tabs to bookmark important lists, notes, and more.
These notebooks are excellent gifts|PopSci Commerce Team|September 28, 2020|Popular Science
It seems that each ruler was accidentally sliced at three random points along the ruler, resulting in four pieces.
Are You Hip Enough To Be Square?|Zach Wissner-Gross|August 14, 2020|FiveThirtyEight
How will we know if Kim, when he eventually surfaces, is ruler or figurehead?
Kim Jong Un: Erased?|Gordon G. Chang|October 10, 2014|DAILY BEAST
He wanted peace and harmony, and in this respect he was just another Roman ruler interested in imperial unity.
Plotting Nicea III Could Be Pope Francis's Masterstroke|Candida Moss|June 8, 2014|DAILY BEAST
Anyone “who has authority of the sword, is the ruler of a city, or wears the purple” has to resign his job or leave.
St. Hippolytus’ Careers Christians Should Never Have|Candida Moss|May 4, 2014|DAILY BEAST
The Bible makes this out to be a matter of popular acclaim, the people lining up to have David as their ruler.
The King David You Never Knew|Joel Baden|October 27, 2013|DAILY BEAST
Anyhow, they realized, Assad had also lost his legitimacy as a ruler.
What Israel Really Thinks About Syria|Yaakov Katz|May 23, 2013|DAILY BEAST
Evidently his subjects knew as little of Yucatan as did their ruler.
The American Egypt|Channing Arnold
But he that did his neighbor wrong thrust him away, saying, 'Who made thee a ruler and a judge over us?
The Bible Story|Rev. Newton Marshall Hall
The ruler of each clan was called a chief, who was really the chief man of his family.
An Historical Account of the Settlements of Scotch Highlanders in America|J. P. MacLean
This increase of power went together with a change of the position of the ruler.
A history of China., [3d ed. rev. and enl.]|Wolfram Eberhard
Yet this was the house of a ruler hostile to that flag to which I had thrown a good-by kiss, up at Fort Leavenworth.
Vanguards of the Plains|Margaret McCarter
British Dictionary definitions for ruler
ruler
/ (ˈruːlə) /
noun
a person who rules or commands
Also called: rulea strip of wood, metal, or other material, having straight edges graduated usually in millimetres or inches, used for measuring and drawing straight lines