Excavator (noun)

1. A large machine with a scoop or bucket used for digging and removing soil or sand.
2. A person who digs or removes soil or sand, especially for archaeological purposes.

Origin:

From latin excavare ("to hollow out"), from ex- ("out") + cavus ("hollow").

Examples:

1. The excavator was used to dig a large hole for the foundation of the building.
2. The archaeologist worked as an excavator on several important digs.
3. The excavator dug through layers of soil to reveal the ancient ruins.
4. The excavator was equipped with a powerful hydraulic arm.
5. The excavator carefully removed the dirt and debris to reveal the hidden treasure.