Proxima Centauri: Meaning and Definition of

Prox'i•ma Centau'ri

Pronunciation: (prok'su-mu), [key]
  1. the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.