planation stream piracy

planation stream piracy

[plā′nā·shən ¦strēm ‚pī·rə·sē]
(hydrology)
Capture effected by the lateral planation of a stream invading and diverting the upper part of a smaller stream.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.