ALL meanings of alpha centauri
al·pha Cen·tau·rus
A a - noun alpha centauri a binary star, the brightest star in the constellation Centaurus: magnitude, -0.27: it is the nearest of the stars that are visible to the naked eye, except for the sun 3
- noun alpha centauri Astronomy. a triple-star system that is the brightest celestial object in the constellation Centaurus. 1