Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun asterism

2 senses of asterism

Sense 1
asterism -- ((mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light)
       => star -- (a plane figure with 5 or more points; often used as an emblem)

Sense 2
asterism -- ((astronomy) a cluster of stars (or a small constellation))
       => natural object -- (an object occurring naturally; not made by man)