1. A small cluster of stars either included or not in a constellation.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• amberish,
• zsterism,
• asterizm,
• saterism,
• astreism,
• biperism,
• aftewise,
• asteridsa,
• autorism,
• Basterdism,
• cattelism,
• Lysterism,
• watterish,
• Autoesism,
• -astorium,
• astersimal,
• acteris,
• ameerism,
• armerium,
• asterryl

• asterion,
• asterisk,
• Astrid,
• asterope,
• astern,
• asteriated,
• astarte,
• asterisked,
• astringe,
• asterismal,
• asteridae,
• Astarita,
• asternal,
• aster,
• ashtray,
• asteroid,
• astride.

The adjective form of the word "asterism" is "asterismic".

The plural of the "asterism" can be the "asterisms".

The singular of the "asterism" can be the "asterism".