• synonyms


or ig·lu

noun, plural ig·loos.
  1. an Eskimo house, being a dome-shaped hut usually built of blocks of hard snow.
  2. Informal. any dome-shaped construction thought to resemble an igloo: immense silos topped with steel igloos.
  3. Military. a dome-shaped building for the storage of rockets or other munitions.
  4. an excavation made by a seal in the snow over its breathing hole in the ice.
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Origin of igloo

First recorded in 1855–60, igloo is from the Inuit word iglu house
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for igloo



noun plural -loos or -lus
  1. a dome-shaped Inuit house, usually built of blocks of solid snow
  2. a hollow made by a seal in the snow over its breathing hole in the ice
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Word Origin

C19: from Inuktitut igdlu house
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 igloo


1824, Canadian English, from an Eskimo word for "house, dwelling" (cf. Greenlandic igdlo "house").

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Online Etymology Dictionary, © 2010 Douglas Harper