A group of stars (and possibly smaller bodies such as planets or asteroids) that orbit one another.(noun)
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Use "star system" in a sentence
"A group of Eerlikka called the Pevvni colonized the ninth planet in their star system in 2326."
"Artwork comparing the sizes of the 55 Cancri system (left) with a small brown dwarf star system in the constellation of Chamaeleon (upper right)."
"So we thought the fourth clue might take them to Alpha Centauri, which is the nearest star system to us and the closest place we would look for signs of life outside the Solar System."