Noun milky way has 1 sense
  1. Milky Way, Milky Way Galaxy, Milky Way System - the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky
    --1 is a kind of galaxy, extragalactic nebula
    --1 has parts: heliosphere
    --1 has members: Southern Cross, Crux, Crux Australis
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