Sainfoin \Sain"foin\ (?; 277), n. [F., fr. sain wholesome (L.
sanus; see {Sane}.) + foin hay (L. faenum); or perh. fr.
saint sacred (L. sanctus; see {Saint}) + foin hay.] (Bot.)
(a) A leguminous plant ({Onobrychis sativa}) cultivated for
fodder. [Written also {saintfoin}.]
(b) A kind of tick trefoil ({Desmodium Canadense}). [Canada]
[1913 Webster]