ruler

noun, verb — 3 senses

ruler

noun

UK /ˈɹuːlə/ · US /ˈɹulɚ/

Etymology From Middle English reuler; equivalent to rule + -er.

1

A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings.

  • Take this ruler. […] I want you to measure the glass of the lamp.1914, Ernest Bramah, Max Carrados:
2

A person who rules or governs; someone or something that exercises dominion or controlling power over others.

  • The carcharhinids are unquestionably the rulers of the seas, because of their abundance, their strength and speed, and their unchallenged position as the number one predators in the marine ecosystem.1983, Richard Ellis, The Book of Sharks, Knopf, →ISBN, page 122:
  • LIKE THE MANDARINS of old, the rulers of China live behind high walls. When they emerge, which they rarely do, they travel in cars with rear windows curtained like sedan chairs. They live in the Chung Nan Hai, a walled park adjacent to the Forbidden City from where ancient dynasties ruled the Celestial Empire.1991, Chris Mullin, The Year of the Fire Monkey (Fiction), London: Chatto & Windus, →ISBN, →OCLC, page 252:
Synonyms
rule, overling, provost, ruler
Derived terms
agate ruler, architect's ruler, coruler, co-ruler, drafter's ruler, home ruler, overruler, parallel ruler, patchwork ruler, planet-ruler, puppet ruler, ruleress, rulerless, rulership, scale ruler, sign ruler, standard ruler, subruler
Related terms
caliph, generalissimo, head of state, leader, magistrate, magnate, mogul, shogun, tycoon, grand poobah, high muckamuck, nabob, Eminence, Excellency, Grace, Highness, Lordship, Majesty, Royal Highness, Sire, boss, important person
Hypernyms
person
Hyponyms
41 termsautocrat, crown prince, despot, dictator, duke, dynast, emperor, empress, governor, king, monarch, potentate, prince, princess, queen, regent, satrap, sovereign, tyrant, viceroy, chief, czar, czarina, emir, Führer, kaiser, khagan, khan, maharajah, maharani, mikado, Negus, nizam, Padishah, pharaoh, rajah, rani, shah, sultan, tsar, tsarina

ruler

verb

Etymology From Middle English reuler; equivalent to rule + -er.

1

To beat with a ruler (as a traditional school punishment).

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.