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catch pit[′kach ‚pit]
In mineral processing, a sump in a mill to which the floor slopes gently; spillage gravitates or is hosed to this area.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A reservoir, esp. for catching and retaining surface drainage over a large area, in which sediment may settle.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.