1. 
   Manna croup
   Man'na croup` (krōp`). [ Manna + Russian & Pol. krupa groats, grits.] 1. The portions of hard wheat kernels not ground into flour by the millstones: a kind of semolina prepared in Russia and used for puddings, soups, etc. -- called also manna groa...
   Found op http://www.encyclo.co.uk/webster/M/19
   
   
2. 
   Manna croup
   • The husked grains of manna grass. • The portions of hard wheat kernels not ground into flour by the millstones: a kind of semolina prepared in Russia and used for puddings, soups, etc. -- called also manna groats.
   Found op http://thinkexist.com/dictionary/meaning/manna_croup/
   
   
3. 
   Manna-Croup
   Manna-croup is a granular preparation of wheat-flour deprived of bran. It consists of the large hard grains of wheat-flour retained in the bolting-machine after the fine flour has been passed through its meshes. It is used for making soups, puddings, etc.
   Found op http://www.probertencyclopaedia.com/browse/QM.HTM
   
   

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