pleach 
(plēch, plāch)
(plēch, plāch)tr.v. pleached, pleach·ing, pleach·es
1. To plait or interlace (branches or vines, for example), especially in making a hedge or an arbor.
2. To shade or border with interlaced branches or vines.
[Middle English plechen, from Old North French plechier, probably from Latin plectere; see plek- in the Appendix of Indo-European roots.]