[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
sane saint onobrychis sativa saintfoin desmodium canadense 

[2] : The Collaborative International Dictionary of English v.0.48

esparcet \espar"cet\, n. f. esparcet, esparcette, 'eparcet,
   fr. sp. esparceta, esparcilla. bot.
   the common sainfoin onobrychis sativa, an old world
   leguminous forage plant.
   1913 webster
see also:
onobrychis sativa 

Cannabis Sativa >> C Words
Cannabis Sativa, definition of term: Cannabis Sativa
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Avena Sativa >> A Words
Avena Sativa, definition of term: Avena Sativa
avena+sativa_pag1.html