Cereal
Cereal , adjective
[Latin Cerealis pert. to Ceres, and hence, to agriculture. See Ceres.]
Of or pertaining to the grasses which are cultivated for their edible seeds (as wheat, maize, rice, etc.), or to their seeds or grain.
Cereal , noun
Any grass cultivated for its edible grain, or the grain itself; -- usually in the plural.