asterism

1. (Astron.) (a) A constellation. [Obs.] (b) A small cluster of stars. 2. (Printing) (a) An asterisk, or mark of reference. [R.] (b) Three asterisks placed in this manner, *, to direct attention to a particular passage. 3. (Crystallog.) An optical property of some crystals which exhibit a star- shaped by reflected light, as star sapphire, or by transmitted light, as some mica.

Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.