A cherry pitter is a device for removing the pit

Drupe

In botany, a drupe is a fruit in which an outer fleshy part surrounds a shell of hardened endocarp with a seed inside. These fruits develop from a single carpel, and mostly from flowers with superior ovaries...

 from a cherry

Cherry

The cherry is the fruit of many plants of the genus Prunus, and is a fleshy stone fruit. The cherry fruits of commerce are usually obtained from a limited number of species, including especially cultivars of the wild cherry, Prunus avium....

, leaving the cherry relatively intact. Many styles of cherry pitter exist, including small tools held in the hand, domestic crank-operated machines with a hopper, and industrial machines.

Use of a hand-held cherry pitter involves first removing the stem, then pushing a retractable plunger through the cherry so that the stone is pushed out the other side.