n. Same as wiper-wheel. See the extract and also wipe-spark.n. A ring in a shaft-bearing, resting by its inner surface on the top of the shaft and hanging with its bottom elements in a bath of oil. As the shaft revolves the ring turns slowly with it, and brings up the oily parts of its surface which are wiped off by the grooves in which the ring is steadied.n. One who or that which wipes.n. That on which anything is wiped, as a hand-towel or a handkerchief.n. In machinery, a piece projecting generally from a horizontal axle, for the purpose of raising stampers, pounders, or pistons in a vertical direction and letting them fall by their own weight. Wipers are employed in fulling-mills, stamping-mills, oil-mills, powder-mills, etc. Also wipe.n. A steel implement for cleaning the bore of a musket, etc.