outcrop water

outcrop water

[′au̇t‚kräp ‚wȯd·ər]
(hydrology)
Rain and surface water which seeps downward through outcrops of porous and fissured rock, fault planes, old shafts, or surface drifts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.