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Noun: aster  as-tu(r)
  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

Derived forms: asters

Type of: anatomical structure, bodily structure, body structure, complex body part, flower, structure

Part of: genus Aster

Encyclopedia: Aster