-shə(r) noun
( -s )
1. : one that finishes: as
a. : a worker who performs the finishing steps of shaping, assembling, adjusting, smoothing, painting, polishing, cleaning, or decorating an item of manufacture
b. : a machine that performs the finishing steps in a processing, manufacturing, or similar operation
2. : something that finishes or settles a matter decisively
I looked to have a knife through me forthwith as a finisher — J.H.Wheelwright