| Alecost | n. [ Ale + L. costus an aromatic plant: cf. Costmary. ] (Bot.) The plant costmary, which was formerly much used for flavoring ale. [ 1913 Webster ] |
| costmary | (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. Chrysanthemum balsamita, bible leaf, balsam herb, Tanacetum balsamita, alecost, mint geranium |