|Pronunciation (US): |
Dictionary entry overview: What does aster mean?
• ASTER (noun)
The noun ASTER has 2 senses:
1. any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers
2. star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis
Familiarity information: ASTER used as a noun is rare.