hedge laying

noun

the art or practice of making or maintaining a hedge by cutting branches partway through, laying them horizontally, and pegging them in position in order to create a strong thick hedge

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012