A cherry is the fruit of many plants of the genus Prunus, and is a fleshy drupe.
Prunus avium, sweet cherry (a true cherry species)
Prunus cerasus, sour cherry (a true cherry species)
Germersdorfer variety cherry tree in blossom
In botany, a drupe is an indehiscent type of fruit in which an outer fleshy part surrounds a single shell of hardened endocarp with a seed (kernel) inside. These fruits usually develop from a single carpel, and mostly from flowers with superior ovaries.
The peach is a typical drupe (stone fruit)
'Elena', a freestone prune plum