Drilling Rig Meaning
Example: Used other than as an idiom: see drilling,â€Ž rig.
2010, Geological Survey (U.S.), Minerals Yearbook 2008, volume 3, page 19-22:
DFI planned to commission a drilling rig to begin an extensive evaluation of the Barteajam and the Henry Town gold prospects in 2009
An oil rig.