| Noun | 1. | sainfoin - Eurasian perennial herb having pale pink flowers and curved pods; naturalized in Britain and North America grasslands on calcareous soils; important forage crop and source of honey in Britainherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests genus Onobrychis, Onobrychis - genus of Old World herbs having pinnate leaves and pink or whites racemose flowers followed by flat unjointed pods | |