You searched for: “lathe
lath, lathe
lath (LATH, soft or silent as in think or nothing) (noun)
Construction material, such as thin slats of wood fastened to major uprights in a building, used to create the foundation for applying plaster, tiles, etc.: The lath in the dwelling was made of redwood and was easy to install.
lathe (LAYth, sounded as with then or father) (noun)
A machine that holds the primary material in a horizontal position so it can be rotated against a fixed blade to cut or carve the primary material: Tammie used the lathe to turn out handsome legs for the new table.

During the construction project, the teams of workers divided the jobs; three workers nailed the lath to the studs in preparation for plastering and the other two workers used the lathe to make the new posts for the staircase.