costmary

from WordNet (r) 3.0 (2006)

costmary
    n 1: 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 [syn: {costmary}, {alecost},
         {bible leaf}, {mint geranium}, {balsam herb}, {Tanacetum
         balsamita}, {Chrysanthemum balsamita}]
    2: leaves used sparingly (because of bitter overtones) in sauces
       and soups and stuffings

from The Collaborative International Dictionary of English v.0.48

Costmary \Cost"ma*ry\ (k?st"m?-r?), n. [L. costum an Oriental
   aromatic plant (Gr. ???, cf. Ar. kost, kust) + Maria Mary.
   Cf. {Alecost}.] (Bot.)
   A garden plant ({Chrysanthemum Balsamita}) having a strong
   balsamic smell, and nearly allied to tansy. It is used as a
   pot herb and salad plant and in flavoring ale and beer.
   Called also {alecost}.
   [1913 Webster]

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