n.
Pronunciation: ' as-t ə r
Function: noun
Date: 1664
1 [ New Latin, from Latin, aster, from Greek aster-, ast ē r star, aster ― more at STAR ] a : any of various chiefly fall-blooming leafy-stemmed composite herbs ( Aster and closely related genera) with often showy heads containing disk flowers or both disk and ray flowers b : CHINA ASTER
2 [ New Latin, from Greek aster-, ast ē r ] : a system of microtubules arranged radially about a centriole at either end of the mitotic or meiotic spindle
aster 1a