compass timber

compass timber

Timber that has been cut from a branch having a smooth curve of the required shape.
References in periodicals archive ?
While the long, straight-grained white-oak planks are used for hull planking, the live oak's large branch sections and odd shapes are required for knee supports, breasthooks in the prow, and curving "compass timbers."
How it's used: Framing, "compass timbers" or curved beams, breasthooks in the cutwater area, pin rails, and fife rails.