sawdust
n. B2 Upper Intermediate US //ˈsɔˌdəst// UK //sˈɔːdʌst// saw·dust
n. the small pieces of wood that come off when you cut or sand wood. It is a common material in carpentry and woodworking.
n. the fine particles of wood produced by the cutting or grinding of timber.
The floor was covered in sawdust after the carpenter finished.
The workshop was filled with a thick layer of sawdust from the morning's heavy cutting of oak planks.
While the primary concern was the structural integrity of the beam, the accumulation of sawdust in the basement created a significant fire hazard that required immediate cleanup.
From saw + dust.