(1):
(n.) A small cluster of stars.
(2):
(n.) An optical property of some crystals which exhibit a star-shaped by reflected light, as star sapphire, or by transmitted light, as some mica.
(3):
(n.) A constellation.
(4):
(n.) Three asterisks placed in this manner, /, to direct attention to a particular passage.
(5):
(n.) An asterisk, or mark of reference.