- a European plant, Astragalus glycyphyllos, of the legume family, believed to increase the secretion of milk in goats.
- any herb of certain allied genera.
Origin of milk vetch
First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various leguminous plants of the genus Astragalus, esp A. glycyphyllos, with clusters of purple, white, or yellowish flowers: formerly reputed to increase milk production in goats