A framework or tower that supports a drill over a deep hole. The oil company erected a derrick to begin drilling for oil in the desert.
A type of crane with a movable pivoted arm for lifting heavy weights, especially on ships. The shipyard used a derrick to lift the heavy cargo onto the deck of the vessel.
A gallows or framework for execution by hanging (historical). In the 17th century the criminal was taken to the derrick on Tyburn Hill.