Definition of rift sawing in English:

rift sawing

noun

Woodworking
  • (Originally) = quarter sawing ; (now also North American) a method of sawing a log of wood into boards by quartering the log radially and making further cuts aligned to the centre of the tree and parallel to each other, producing boards with a uniform and straight grain pattern.

    In North America, the annular rings run from 30 to 60 degrees from the face of the board.

Origin

Late 19th century.