As"ter (as"tər), n. [L. aster aster, star, Gr. 'asth`r star. See Star.]
1. (Bot.)
A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.
2. (Floriculture)
A plant of the genus Callistephus. Many varieties (called China asters, German asters, etc.) are cultivated for their handsome compound flowers.
© Webster 1913
As"ter, n. (Biol.)
A star- shaped figure of achromatic substance found chiefly in cells dividing by mitosis.
© Webster 1913