1) Garden feature 
Pleaching or plashing is a technique of interweaving living and dead branches through a hedge for stock control. Trees are planted in lines, the branches are woven together to strengthen and fill any weak spots until the hedge thickens. Branches in close contact may grow together, due to a natural phenomenon called inosculation, a natural graft. P...
• (p. pr. & vb. n.) of Pleach
a popular technique of training and pruning shrubs and trees into a wall. Very popular in Europe.
the interweaving of the branches of trees or shrubs to form a lattice or screen. Popular in Dutch gardening style.