·noun A small cluster of stars.
II. Asterism ·noun An asterisk, or mark of reference.
III. Asterism ·noun A Constellation.
IV. Asterism ·noun Three asterisks placed in this manner, /, to direct attention to a particular passage.
V. Asterism ·noun An optical property of some crystals which exhibit a star-shaped by reflected light, as star sapphire, or by transmitted light, as some mica.