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.

德威特编辑