D defs.my
Entry 2 senses Webster, 1913

Igloo

/ĭg'-lo͞o/ · Ig·loo · IPA /ˈɪɡ.luː/
01 n. An Eskimo snow house.
  1. 1.
    An Eskimo snow house.
  2. 2.
    A cavity, or excavation, made in the snow by a seal, over its breathing hole in the ice.(Zool.)