Bible Dictionaries
Plumming

Webster's Dictionary

(n.) The operation of finding, by means of a mine dial, the place where to sink an air shaft, or to bring an adit to the work, or to find which way the lode inclines.

Bibliography Information
Webster, Noah. Entry for 'Plumming'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/plumming.html. 1828.