Definition of alfalfa noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ælˈfælfə//
; NAmE NAmE//ælˈfælfə//
[uncountable] Vegetables
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a plant with small divided leaves and purple flowers, grown as food for farm animals and as a salad vegetable See related entries: Vegetables Word Originmid 19th cent.: from Spanish, from Arabic al-faṣfaṣa, a green food for animals.
See the Oxford Advanced American Dictionary entry: alfalfa