"Splintered wood" refers to pieces or fragments of wood that have broken off or been separated from the main part, often due to force or impact. Full definition
Imagine ramming your toothbrush into the back of your mouth, but your toothbrush is spiky and made of splintering wood instead of solid plastic. (smartdogowners.com)
We found a low cost option for permanently fixing splintered wood on a deck. (carriethishome.com)
The sound of chains dragging on a floor, the sight of fingernails scraping against splintered wood are hard to take, however beautifully these elements are executed; by this point, I started to wonder whether, for all its grace, The Eyes of My Mother is really that different from the brutish likes of, say, Martyrs (Pascal Laugier, 2008; remade by Kevin and Michael Goetz, 2015). (filmcomment.com)