guttering
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guttering
[′gəd·ə·riŋ] (engineering)
A process of quarrying stone in which channels, several inches wide, are cut by hand tools, and the stone block is detached from the bed by pinch bars.
(mining engineering)
The process of cutting gutters in a mine shaft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.