1. To cross one's arms.

2. To fold down vertical branches in a hedge and weave them together, like folded arms, to restructure the hedge.
He pleached his arms...
by Lofty Heights July 20, 2011
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some one who is very good at many things, most commonly used in poker. a pleach gets many good hands and can bluff very well. if you have a pleach at your table they will most likley win.
Man they guy just got 3 royal flushes in a row, what a pleach. Cash me out.
by Paul February 13, 2005
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