pleach \pleech\, verb:
1. To interweave branches or vines for a hedge or arbor.
2. To make or renew (a hedge, arbor, etc.) by such interweaving.
3. To braid (hair).
Robert got up very early, and went off to pleach the big hedge at the foot of the far pasture.
-- Mary Webb, Seven for a Secret
I might not be able to install plumbing fixtures or to pleach apple trees, but I know how to throw a good party.
-- Nancy Atherton, Aunt Dimity and the Family Tree
Pleach is derived from the Middle French word plais, which meant "a hedge."