Pit (noun)

1. A hole or excavation in the ground.
2. A hollow or indentation in a surface.
3. A large hole in the ground that is used for mining, extracting coal, oil or other minerals.

Origin:

Old english pitte, of germanic origin; related to dutch put and german pfütze.

Examples:

1. He fell into the pit.
2. She dug a pit for a fire.
3. The pit was very deep.
4. He climbed out of the pit.
5. She saw a pit in the road.