Ale·cost n. Bot. The plant costmary, which was formerly much used for flavoring ale.
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alecost
n : 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, bible leaf, mint
geranium, balsam herb, Tanacetum balsamita, Chrysanthemum
balsamita]