coak

[ kohk ]

/ koʊk /

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(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.

QUIZZES

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!

Question 1 of 12

On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

First recorded in 1785–95; of uncertain origin

If we estimate the coak by its comparative heating power, it represents 65 per cent.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
The coak which remains in the retorts constitutes about 60 per cent.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
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
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