Baulk -

: Obtained by removing only the bark and outer sapwood.

: Typically, one cross-sectional dimension exceeds 50 mm , while the other exceeds 200 mm .

In technical terms, a (often spelled "balk") refers to a roughly squared, large timber beam that has been roughly hewn from a log . Timber Characteristics

: It is roughly square or rectangular but not yet cut into precise, finished lumber.