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aster

Syllabification: (as·ter)
Pronunciation: /ˈastər/

Definition of aster

noun

  • 1a plant of the daisy family that has bright rayed flowers, typically of purple or pink.
    • Genus Aster, family Compositae: numerous species, many of which bloom in autumn, including the wild purple New England aster (A. novae-angliae). See also China aster
  • 2 Biology a star-shaped structure formed during division of the nucleus of an animal cell.

Origin:

early 17th century (in the Greek sense): via Latin from Greek astēr 'star'

aster in other Oxford dictionaries

Definition of aster in the British & World English dictionary