Definify.com
Webster 1913 Edition
Milkwort
Milk′wortˊ
,Noun.
(Bot.)
A genus of plants (
Polygala
) of many species. The common European Polygala vulgaris
was supposed to have the power of producing a flow of milk in nurses. ☞ The species of
Campanula
, or bellflower, are sometimes called milkwort, from their juice.