galaxy

noun

1. a splendid assemblage (especially of famous people)

   noun.group

   Source: WordNet 3.0

2. tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall

   noun.plant

   Synonyms beetleweed coltsfoot galax galax urceolata wandflower

   Source: WordNet 3.0

3. (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust

   noun.group

   Examples

   `extragalactic nebula' is a former name for `galaxy'.

   Synonyms extragalactic nebula

   Source: WordNet 3.0

4. The Milky Way; that luminous tract, or belt, which is seen at night stretching across the heavens, and which is composed of innumerable stars, so distant and blended as to be distinguishable only with the telescope. The term has recently been used for remote clusters of stars.

   noun

   Source: webster1913