1) Ancient Roman festival 
In ancient Roman religion, the Cerealia was the major festival celebrated for the grain goddess Ceres. It was held for seven days from mid- to late April, but the dates are uncertain. The festival may have been founded as early as the Regal period. Its archaic nature is indicated by a nighttime ritual described by Ovid. Blazing torches were tied t...
• (n. pl.) Public festivals in honor of Ceres. • (n. pl.) The cereals.
Ce`re·a'li·a noun plural [ Latin See Cereal .] 1. (Antiq.) Public festivals in honor of Ceres. 2. The cereals. Crabb.