coak

[kohk]

noun Carpentry.

(in a scarf joint) a tenon in one member fitting into a corresponding recess of the other.
a dowel through overlapping timbers to prevent one from sliding across the other.

Origin of coak

First recorded in 1785–95; of uncertain origin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coak

Historical Examples of coak

The coak which remains in the retorts constitutes about 60 per cent.
A Dictionary of Arts, Manufactures and Mines
Andrew Ure
By the seventh operation, the central hole in the coak for the pin, on which the sheave turns, is drilled out.
The Ports, Harbours, Watering-places and Picturesque Scenery of Great Britain Vol. 2
William Finden
So truly are those grooves formed, that the slight tap of a hammer is sufficient to fix the coak in its place.
The Ports, Harbours, Watering-places and Picturesque Scenery of Great Britain Vol. 2
William Finden
When the coak is used for heating the retorts, about one half of the whole is required.
A Dictionary of Arts, Manufactures and Mines
Andrew Ure
If we estimate the coak by its comparative heating power, it represents 65 per cent.
A Dictionary of Arts, Manufactures and Mines
Andrew Ure