(2 syl.). Corn. Ceres was the Roman name of Mother-Earth, the protectress of agriculture and of all the fruits of the earth.
“Dark frowning heaths grow bright with Ceres' store.” Thomson: Castle of Indolence, ii. 27.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Ceres from Infoplease: