wash boring[′wäsh ‚bȯr·iŋ]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The drilling of test hole in the ground to obtain soil samples that are brought up along with a mixture of water.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.