noun
sawing lengthwise
Refers to cutting timber or lumber along the grain. A technical term used in woodworking and carpentry.
この材木は挽き割りに適している。
This lumber is suitable for lengthwise sawing.
Compound of 挽き (hiki, 'sawing', continuative form of 挽く) and 割り (wari, 'splitting', continuative form of 割る).