Coak
Coak (kōk) , noun
See Coke, n.
Coak , noun
1.
(Carpentry) 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.
Coak , transitive verb
(Carpentry) To unite, as timbers, by means of tenons or dowels in the edges or faces. — Totten