/ Dictionary / Index V Virgo cluster: Meaning and Definition of Find definitions for: Vir'go clus"ter Pronunciation: [key] — Astron. Astron. a cluster of about 2500 galaxies in the constellation Virgo, the nearest cluster to our galaxy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Virgo virgulate Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language