Michaelmas daisy Meaning, Definition & Usage

  1. noun North American perennial herb having small autumn-blooming purple or pink or white flowers; widely naturalized in Europe
    Aster novi-belgii; New York aster.

WordNet

Definitions
  1. . (Bot.) See under Daisy.
Definitions
  1. (Bot.), any plant of the genus Aster, of which there are many species.

Webster 1913