coak

American  

[kohk] / koʊk /

noun

Carpentry.

1. (in a scarf joint) a tenon in one member fitting into a corresponding recess of the other.

2. a dowel through overlapping timbers to prevent one from sliding across the other.

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Etymology

Origin of coak

First recorded in 1785–95; of uncertain origin

Example Sentences

Friction-rollers are a late improvement in the sheaves of blocks, &c., by which the pin is relieved of friction by three rollers in the coak, placed equilaterally.

From The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. by Belcher, Edward, Sir