DictionaryderrickDrilling tower
noun

derrick

DAIR-ik/ˈderɪk/

A tall supporting framework for lifting or drilling equipment.

The derrick suspends a heavy stone block from its angled boom.

A guyed lifting derrick with an upright mast and pivoting angled boom suspends a heavy stone block just above the ground.
Etymology

“People” and “rule” formed the personal name behind a hangman’s surname. His surname came to mean a gallows, then a lifting apparatus and a tower supporting drilling equipment.

In context

HISTORY22:19
Like a spider, the creeper derrick climbed the towers. Once in position, it lifted 80-ton sections of steel
The Longest Bridge in the World (S9, E7) | Modern Marvels | Full Episode | History

More examples

  • Workers use a derrick to lift heavy steel beams.
  • Several derricks rise above the oil field.
  • The crew inspects the derrick before drilling begins.

Forms

derrick · derricks

Similar words

crane
Crane emphasizes lifting and moving loads rather than supporting drilling.
rig
Rig includes the drilling machinery, not just its supporting framework.