Coak
(n.) See Coke, n.
(n.) A kind of tenon connecting the face of a scarfed timber with the face of another timber, or a dowel or pin of hard wood or iron uniting timbers.
(n.) A metallic bushing or strengthening piece in the center of a wooden block sheave.
(v. t.) To unite, as timbers, by means of tenons or dowels in the edges or faces.
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