WIPER

wiper, wiper arm, contact arm

(noun) contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet

wiper

(noun) a worker who wipes

Source: WordNet® 3.1

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Etymology

Noun

wiper (plural wipers)

Someone who wipes.

Something, such as a towel, that is used for wiping.

Something, such as a windscreen wiper, that is designed for wiping.

A movable electric contact in some devices.

(nautical) A junior role in the engine room of a ship, someone who wipes down machinery and generally keeps it clean.

Source: Wiktionary

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Wip"er, n.

1. One who, or that which, wipes.

2. Something used for wiping, as a towel or rag.

3. (Mach.)

Definition: 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.

4. (Firearms)

Definition: A rod, or an attachment for a rod, for holding a rag with which to wipe out the bore of the barrel.

Source: Webster’s Unabridged Dictionary 1913 Edition

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