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mansion

American  
[man-shuhn] / ˈmæn ʃən /

noun

  1. a very large, impressive, or stately residence.

  2. manor house.

  3. British. Often mansions. a large building with many apartments; apartment house.

  4. Oriental and Medieval Astronomy. each of 28 divisions of the ecliptic occupied by the moon on successive days.

  5. Archaic. an abode or dwelling place.

mansion British  
/ ˈmænʃən /

noun

  1. Also called: mansion house.  a large and imposing house

  2. a less common word for manor house

  3. archaic any residence

  4. (plural) a block of flats

  5. astrology any of 28 divisions of the zodiac each occupied on successive days by the moon

"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

Etymology

Origin of mansion

1325–75; Middle English < Latin mānsiōn- (stem of mānsiō ) an abiding, abode. See manse, -ion

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.

Another video shows the Born Free singer pumping his fist before a second gunship appears to fly by his mansion, which he has dubbed the Southern White House.

From BBC • Mar. 31, 2026

A Rio de Janeiro court has overturned a fine of more than $3 million against football star Neymar for allegedly damaging the environment by building an artificial lake at his mansion.

From Barron's • Mar. 31, 2026

Plus, oil prices hit $112 a barrel, and a Revolutionary War general’s mansion is for sale.

From The Wall Street Journal • Mar. 23, 2026

Lambert previously shared some words of encouragement to “American Idol” contestants after she lifted herself out of poverty and homelessness and rose to stardom while residing in a $3.5 million mansion.

From MarketWatch • Mar. 18, 2026

Carriages lined the path leading to the mansion that overlooked the tracks.

From "The City Beautiful" by Aden Polydoros

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.