Definitions for "Rift Sawn"
Keywords:  sawn, lumber, bastard, rings, angles
A term used to describe a piece of wood with growth rings that meet the faces of the board at angles of more than 30 degrees but at less than 60 degrees.
Rift sawn is when the lumber rings make angles to the surface of the wood from 30 to 60 degrees.
Also known as Bastard Sawn. Lumber (primarily hardwoods) in which the annual rings make angles of 300 to 600 with the surface of the piece. May include some quarter sawn.