alecost Syllabification: (ale·cost)Pronunciation: /ˈālˌkôst, -ˌkäst/Definition of alecost noun 1a wild plant with small daisylike flowers that has culinary and folk-medicinal uses. Chrysanthemum balsamita, family Compositae 2another name for costmary. alecost in other Oxford dictionaries Definition of alecost in the British & World English dictionary