an herb (Chrysanthemum balsamita) of the composite family, with many small flower heads, having sweet-smelling leaves that are used in flavoring
Origin of costmaryMiddle English costmarye ; from cost (; from Old English ; from Classical Latin costum ; from Classical Greek kostos, name of an aromatic plant) + Marie, (St.) Mary
A Eurasian perennial herb (Tanacetum balsamita syn. Chrysanthemum balsamita) in the composite family, having aromatic foliage sometimes used for potpourri, tea, or flavoring.
Origin of costmaryMiddle English costmarie : cost, costmary (from Old English, from Latin costum, from Greek kostos, from Sanskrit ku&slowdot;&tlowdot;ha&hlowdot;) + marie, Mary, the mother of Jesus.
(usually uncountable, plural costmaries)