) of the composite family, with many small flower heads, having sweet-smelling
leaves that are used in flavoring
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'costmary'ME costmarye < cost (< OE < L costum < Gr kostos, name of an aromatic plant) + Marie, (St.) Mary