stone fruit

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A fruit from a tree of the genus Prunus, such as a peach or cherry.

from The Century Dictionary.

• noun In botany, a drupe; a fruit whose seeds are covered with a hard shell enveloped in a pulp, as the peach, cherry, and plum. See drupe.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any fruit with a soft fleshy exterior surrounding a hard pit or stone containing the seed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun fleshy indehiscent fruit with a single seed: e.g. almond; peach; plum; cherry; elderberry; olive; jujube