- costmary, alecost, bible leaf, mint geranium, balsam herb, Tanacetum balsamita, Chrysanthemum balsamita - tansy-scented Eurasian perennial herb with buttonlike yellow flowers; used as potherb or salad green and sometimes for potpourri or tea or flavoring; sometimes placed in genus Chrysanthemum
--1 is a kind of herb, herbaceous plant
--1 is a member of Tanacetum, genus Tanacetum
--1 has parts: costmary