The Collaborative International Dictionary of English v.0.48:

Crudity \Cru"di*ty\ (kr[udd]"d[i^]*t[y^]), n.; pl. Crudities
   (-t[i^]z). [L. cruditas, fr. crudus: cf. F. crudit['e]. See
   Crude.]
   1. The condition of being crude; rawness.
      [1913 Webster]

   2. That which is in a crude or undigested state; hence,
      superficial, undigested views, not reduced to order or
      form. "Crudities in the stomach." --Arbuthnot.
      [1913 Webster]