Definition of aster

Scrabble & Words with friends points


  • aster is a valid Scrabble US word with a point value of 5
  • aster is a valid Scrabble UK word with a point value of 5
  • aster is a valid Words with friends word with a point value of 5

Definition of aster


  • any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers (noun)
  • star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis (noun)

See definition of aster in Merriam Webster