plasher (?plæ??) n1. (Agriculture) a person who forms hedges by means of interweaving the branches or vines2. (Agriculture) a type of farm tool used to form hedges by means of intertwining the branches or vines3. (Tools) a type of farm tool used to form hedges by means of intertwining the branches or vinesCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014