noun
against the grain; cross-grain
Woodworking term for cutting or planing against the natural direction of wood fibers, which can cause tear-out or a rough surface.
逆目に削ると、表面がささくれる。
If you plane against the grain, the surface will splinter.
この板は逆目が多くて、仕上げが難しい。
This board has a lot of cross-grain, making it hard to finish.