alecost Meaning, Definition & Usage

  1. noun 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
    mint geranium; balsam herb; bible leaf; Tanacetum balsamita; Chrysanthemum balsamita; costmary.

WordNet

Ale"cost` noun
Etymology
Ale + L. costus an aromatic plant: cf. Costmary.
Definitions
  1. (Bot.) The plant costmary, which was formerly much used for flavoring ale.

Webster 1913