Noun
a system of three or more stars associated by gravity
Source: WordNetADS 9731 and Sigma Coronae Borealis are multiple star systems with six and five components respectively. Source: Internet
It is an orange giant of magnitude 3.9, 152 light-years from Earth.sfn Iota Librae is a complex multiple star, 377 light-years from Earth, with both optical and true binary components. Source: Internet
Theta Sagittae is a multiple star system. Source: Internet
Most known double stars have not been studied sufficiently closely to determine whether they are optical doubles or they are doubles physically bound through gravitation into a multiple star system. Source: Internet