1. astronomy group of stars forming shape: a group of stars visible from Earth that forms a distinctive pattern and has a name, often derived from Greek mythology, linked to its shape. There are 88 constellations and the groupings are historical rather than scientific.
2. astronomy area of sky containing constellation: the area of the sky within and around a constellation
3. gathering of celebrities: a gathering of famous or important people a glittering constellation of Hollywood stars
4. group of related things: a group of things felt to be related to each other in some way Problems tend to occur not singly, but in constellations.
5. astrology astrological arrangement of planets: the arrangement of the planets in the zodiac at a particular time, believed by astrologers to influence human character or events on Earth