Manna croup \Man"na croup`\ (m[a^]n"n[.a] kr[=oo]p`). [Manna +
Russ. & 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
groats}.
[1913 Webster]
2. The husked grains of manna grass.
[1913 Webster]