Coak \Coak\, v. t. (Carp.) To unite, as timbers, by means of tenons or dowels in the edges or faces. --Totten. [1913 Webster]
Coak \Coak\ (k[=o]k), n. See {Coke}, n. [1913 Webster]
Coak \Coak\, 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. [Also spelt {coag}.] [1913 Webster] 2. A metallic bushing or strengthening piece in the center of a wooden block sheave. [1913 Webster]
Coke \Coke\, n. [Perh. akin to cake, n.] Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where ? smokeless fire is required. [Written also {coak}.] [1913 Webster] {Gas coke}, the coke formed in gas retorts, as distinguished from that made in ovens. [1913 Webster]