Drupe: A fleshy, indehiscent fruit with a stony endocarp surrounding a usually single seed, as in a peach or cherry.*
Summer is the time for eating many delicious drupes. Peaches, plums, cherries, and other stone fruits are all examples of drupes.
*Harris, J.G., Harris, M.W. (2001). Plant identification terminology: An illustrated glossary (2nd ed.). Spring Lake: Spring Lake Publishing.