Aster — definition

1. aster (Noun)

aster (Noun) — Any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers.

aster (Noun) — Star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis.

anatomical structure bodily structure body structure complex body part flower structure Aster acuminatus Aster arenosus Aster dumosus Aster ericoides Aster falcatus Aster linarifolius Aster linosyris Aster novae-angliae Aster novi-belgii Aster ptarmicoides Aster shortii Aster tripolium Aster turbinellis Eastern silvery aster Linosyris vulgaris Michaelmas daisy New England aster New York aster Schreiber's aster Short's aster • • • genus Aster