pit

The single central kernel or stone of certain fruits, such as a peach or cherry.

To extract the pit from (a fruit).

A natural or artificial hole or cavity in the ground.

An excavation for the removal of mineral deposits; a mine.

The shaft of a mine.

A concealed hole in the ground used as a trap; a pitfall.

A small indentation in a surface.

A natural hollow or depression in the body or an organ.