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

onocerin \on`oce"rin\, n. nl. ononis, the generic name of the
   plant + l. cera wax. chem.
   a white crystalline waxy substance extracted from the root of
   the leguminous plant ononis spinosa.
   1913 webster
see also:
ononis spinosa 

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

cammock \cam"mock\, n. as. cammoc. bot.
   a plant having long hard, crooked roots, the ononis
   spinosa; -- called also rest-harrow. the scandix
   pecten-veneris is also called cammock.
   1913 webster camomile
see also:
ononis spinosa rest-harrow scandix pecten-veneris 

[3] : WordNet (r) 2.0

ononis spinosa
     n : eurasian plant having loose racemes of pink or purple
         flowers and spiny stems and tough roots syn: restharrow,
          rest-harrow
see also:
restharrow rest-harrow 

Ononis >> O Words
Ononis, definition of term: Ononis
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