Sainfoin
Sainfoin (?; 277) , noun
[French, from sain wholesome (Latin sanus; see Sane.) + foin hay (Latin faenum); or perh. from saint sacred (Latin sanctus; see Saint) + foin hay.]
(a)
(Botany) A leguminous plant (Onobrychis sativa) cultivated for fodder.
(b)
(Botany) A kind of tick trefoil (Desmodium Canadense). [Canada]