noun /ˈɑːstə,ˈastə/
a) Any of several plants of the genus Aster; one of its flowers.
by the changes and enter-caprings of which, the revolutions, motions, cadences, and carrols of the asters and planets are caused and transported.
On a sunny September morning, with the trees still green, but the asters and fleabanes already taking over in ditch and dalk, Van set out for Ladoga, N.A.
Wikipedia foundation.