Coak

(kōk)

n.	1.	See Coke, n.
	1.	(Carp.) 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.
	2.	A metallic bushing or strengthening piece in the center of a wooden block sheave.
v. t.	1.	(Carp.) To unite, as timbers, by means of tenons or dowels in the edges or faces.