-
Any of various plants of the genus Aster in the composite family, having radiate flower heads with white, pink, or violet rays and a usually yellow disk.
(noun)
-
The China aster.
(noun)
-
Biology A star-shaped structure formed in the cytoplasm of a cell and having raylike fibers that surround the centrosome during mitosis.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.