noun /ˈɡaləksi/
a) The Milky Way; the apparent band of concentrated stars which appears in the night sky over earth.
So may thy cheekes red outweare scarlet dye, / And their white, whitenesse of the Galaxie [...].
b) Any of the collections of many millions of stars, galactic dust, black holes, etc. existing as independent and coherent systems, of which there are billions in the known universe.
Syn: G
See Also: galactic, extragalactic
Wikipedia foundation.