D defs.my
Entry 4 senses Webster, 1913

Wiper

/wīp'-ẽr/ · Wip·er · IPA /ˈwaɪpɚ/
01 n. One who, or that which, wipes.
  1. 1.
    One who, or that which, wipes.
  2. 2.
    Something used for wiping, as a towel or rag.
  3. 3.
    A piece generally projecting from a rotating or swinging piece, as an axle or rock shaft, for the purpose of raising stampers, lifting rods, or the like, and leaving them to fall by their own weight; a kind of cam.(Mach.)
  4. 4.
    A rod, or an attachment for a rod, for holding a rag with which to wipe out the bore of the barrel.(Firearms)