ruler

[roo-ler]

noun

a person who rules or governs; sovereign.
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.

Nearby words

  1. rule of thumb,
  2. rule out,
  3. rule the roost,
  4. ruled surface,
  5. ruleless,
  6. rulership,
  7. rules,
  8. rules committee,
  9. rules of order,
  10. ruling

Origin of ruler

Middle English word dating back to 1325–75; see origin at rule, -er1

Related formssub·rul·er, nounun·der·rul·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ruler


British Dictionary definitions for ruler

ruler

noun

a person who rules or commands
Also called: rule a strip of wood, metal, or other material, having straight edges graduated usually in millimetres or inches, used for measuring and drawing straight lines
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ruler

ruler

n.

"one who rules," late 14c., agent noun from rule (v.). Meaning "instrument used for making straight lines" is c.1400 (cf. rule (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper