any of the stars in the Ptolemaic system, all of which were thought to be attached to an outer crystal sphere thus explaining their apparent lack of movement
2.
an extremely distant star whose position appears to be almost stationary over a long period of time
fixed star in American English
any star that appeared to early astronomers to be in a fixed position when compared to other stars, in contrast to the planets, which were thought to be moving stars
Examples of 'fixed star' in a sentence
fixed star
Its methods, its tactics, its manoeuvres may change, but the polar star of its policy -- world domination -- is a fixed star.