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.

Origin of coak

First recorded in 1785–95; of uncertain origin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coak

Historical Examples of coak