A small perforated triangular bit of brass inserted into the middle of the shiver (now called sheave) of a block, to keep it from splitting and galling by the pin, whereon it turns. Called also bush, cock or cogg, and dowel.
·noun ·see <<Coke>>, ·noun. II. Coak ·vt To unite, as timbers, by means of tenons or dowels in the ...
Webster's Dictionary of the English Language