Definition of 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.