churn drill



a portable drill rig using a bit fashioned on a massive steel cylinder that is alternately lifted and dropped to drill a hole in earth and rock.

Nearby words

  1. churinga,
  2. churl,
  3. churlish,
  4. churlishly,
  5. churn,
  6. churn molding,
  7. churn out,
  8. churning,
  9. churr,
  10. churrasco Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for churn drill

  • This is a mechanical method and one form of apparatus employed is of the churn-drill type common throughout oil and coal regions.

    The Business of Mining|Arthur J. Hoskin