Pleach v. t. [imp. & p. p. Pleached p. pr. & vb. n. Pleaching.]  To unite by interweaving, as branches of trees; to plash; to interlock. “The pleached bower.”
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  pleach
       v 1: form or weave into a braid or braids; "braid hair" [syn: braid]
            [ant: unbraid]
       2: interlace the shoots of; "pleach a hedge" [syn: plash]