Wiktionary
triple star system
n. (context star English) a trinary star
Usage examples of "triple star system".
Together, they took themselves into hyperspace and fled the triple star system that had once held the secret promise of Zonama Sekot.
Several years before the discovery, he had presented a rather daring paper at Pretoria stating his belief that in ages past epochal changes were caused by Luyten 726 being a triple star system.
Three beautiful worlds in a triple star system, and back from barbarism in recent centuries.