Alfalfa is a plant that is used for feeding farm animals. The shoots that develop from its seeds are sometimes eaten as a vegetable.
alfalfa in British English
(ælˈfælfə)
noun
a leguminous plant, Medicago sativa, of Europe and Asia, having compound leaves with three leaflets and clusters of small purplish flowers. It is widely cultivated for forage and as a nitrogen fixer and used as a commercial source of chlorophyll
Also called: lucerne
Word origin
C19: from Spanish, from Arabic al-fasfasah, from al the + fasfasah the best sort of fodder
alfalfa in American English
(ælˈfælfə)
noun
a deep-rooted perennial plant (Medicago sativa) of the pea family, with small divided leaves, purple cloverlike flowers, and spiral pods, used extensively for fodder and pasture and as a cover crop