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emperor

American  
[em-per-er] / ˈɛm pər ər /

noun

  1. the male sovereign or supreme ruler of an empire.

    the emperors of Rome.

  2. Chiefly British.  a size of drawing or writing paper, 48 × 72 inches (122 × 183 centimeters).


emperor British  
/ ˈɛmpərə /

noun

  1. a monarch who rules or reigns over an empire

  2. Also called: emperor moth.  any of several large saturniid moths with eyelike markings on each wing, esp Saturnia pavonia of Europe See also giant peacock moth

  3. See purple emperor

"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

Other Word Forms

  • emperorship noun
  • preemperor noun

Etymology

Origin of emperor

First recorded in 1175–1225; Middle English empero(u)r, (from Anglo-French; Old French empereor, from Latin imperātor, originally, “one who gives orders, ruler,” equivalent to imperā(re) “to order, command” ( im- “in” + -perāre, combining form of parāre “to provide, get ready” ) + -tor noun suffix of agency; im- 1, prepare, -tor

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Aztec emperor Montezuma, one could say, was dethroned not so much by Cortés as by Old World germs and New World enemies.

From The Wall Street Journal

Professor England warned that emperor penguin populations are facing greater extinction risks because their chicks depend on stable sea ice to mature.

From Science Daily

Naturally, such arches tend to glorify the emperor.

From Salon

Decades ago, China’s one-child policy gave rise to what sociologists referred to as the “little emperor” phenomenon.

From MarketWatch

Decades ago, China’s one-child policy gave rise to what sociologists referred to as the “little emperor” phenomenon.

From MarketWatch