1. Roman Mythology. The goddess of agriculture.
2. The closest dwarf planet to the sun, with an orbit between Mars and Jupiter. Ceres was the first object in the asteroid belt to be discovered.

[Latin Cerēs.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.