To unite by interweaving, as (horticulture) branches of shrubs, trees, etc., to create a hedge; to interlock, to plash.
An act or result of interweaving; specifically, (horticulture) a hedge or lattice created by interweaving the branches of shrubs, trees, etc.
A notch cut into a branch so that it can be bent when pleaching is carried out.
A branch of a shrub, tree, etc., used for pleaching; a pleacher.