Multiple-star definition
A system of three or more stars bound together by gravity and orbiting a common center of mass, appearing as a single star when visible to the unaided eye.
noun
(astron.) Three or more stars forming one gravitational system that appear to be a single star or a binary star.
noun
A system of three or more stars that are bound together by gravity and orbit a common center of mass. The group generally appears as a single star to the naked eye. Astronomers believe that most stars in the universe are part of multiple or binary systems. Alpha Centauri, the closest star to our Sun, is a multiple star system containing three bodies.
(astronomy) Multiple stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a multiple star system.
noun