say it: kahn-stuh-LAY-shuhn
constellation is a noun meaning "an arrangement of parts or elements". It carries 2 recorded senses.
an arrangement of parts or elements
“the outcome depends on the configuration of influences at the time”
a configuration of stars as seen from the earth
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for constellation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.