Sain"foin [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]
© Webster 1913.