igloo

Etymology

From Inuktitut ᐃᒡᓗ (iclo, “house, building (of any kind)”), from Proto-Inuit *ǝɣlu, from Proto-Eskimo *ǝŋlu.

noun

  1. A dome-shaped Inuit shelter, constructed of blocks cut from snow.
  2. (zoology) A cavity, or excavation, made in the snow by a seal, over its breathing hole in the sea ice.
  3. (military) A reinforced bunker for the storage of nuclear weapons.
    General James Walsh signalled Strategic Air Command that the B-47 tore apart the igloo and knocked about 3 mark sixes. 2011, Robert Hutchinson, Weapons of Mass Destruction
  4. (logistics) A kind of airfreight cargo container.
    Since most major airlines have interline agreements, if your cargo is in an igloo or container, it can be moved as is […] 1978, Made in Mexico

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