noun cost·mary \ˈkȯst-ˌmer-ē, ˈkäst-\

Definition of costmary



  1. :  an aromatic composite Eurasian herb (Chrysanthemum balsamita synonym Tanacetum balsamita) having leaves used as a potherb and in flavoring

Origin and Etymology of costmary

Middle English costmarie, from coste costmary (from Old English cost, from Latin costum, from Greek kostos, a fragrant root) + Marie the Virgin Mary

First Known Use: 14th century

Learn More about costmary

Seen and Heard

What made you want to look up costmary? Please tell us where you read or heard it (including the quote, if possible).