Dictionary

aster

noun as·ter \ˈas-tər\

: a type of plant that is grown in gardens for its colorful flowers

Full Definition of ASTER

1
[New Latin, from Latin, aster, from Greek aster-, astēr 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-, astēr] :  a system of microtubules arranged radially about a centriole at either end of the mitotic or meiotic spindle
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Illustration of ASTER

First Known Use of ASTER

1664
ASTER Defined for Kids

aster

noun as·ter \ˈa-stər\

Definition of ASTER for Kids

:  any of various herbs related to the daisies that have leafy stems and white, pink, purple, or yellow flower heads which bloom in the fall
Medical Dictionary

aster

noun as·ter \ˈas-tər\

Medical Definition of ASTER

:  a system of gelated cytoplasmic rays arranged radially about a centriole at either end of the mitotic or meiotic spindle—called also cytaster

Illustration of ASTER

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