flat washer

flat washer
A disc like a coin with a hole in the middle

Dictionary of automotive terms. 2015.

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  • Washer (hardware) — Assorted washers: flat, split, star and insulated A washer is a thin plate (typically disk shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are… …   Wikipedia

  • washer — A flat disc with a hole in the center. It may be made of metal, rubber, plastic, or leather. It is often placed under a nut to even out pressure and prevent damage to the part on which it rests. See bridge washer crush washer cup washer dish… …   Dictionary of automotive terms

  • washer — flat ring for sealing joints or holding nuts, mid 14c., generally considered an agent noun of WASH (Cf. wash) (v.), but the sense connection is difficult, and the noun may derive instead from the ancestor of Fr. vis screw, vise …   Etymology dictionary

  • washer — ► NOUN 1) a person or device that washes. 2) a small flat ring fixed between a nut and bolt to spread the pressure or between two joining surfaces to act as a spacer or seal …   English terms dictionary

  • washer — [wôsh′ər] n. 1. a person who washes 2. a flat disk or ring of metal, leather, rubber, etc., used variously to make a seat for the head of a bolt or for a nut or faucet valve, to lock a nut in place, to provide a bearing surface, to serve as a… …   English World dictionary

  • washer — washerless, adj. /wosh euhr, waw sheuhr/, n. 1. a person or thing that washes. 2. See washing machine. 3. a flat ring or perforated piece of leather, rubber, metal, etc., used to give tightness to a joint, to prevent leakage, to distribute… …   Universalium

  • washer — (Roget s IV) n. 1. [A flat ring] Syn. disk, seat, packing, collar, lock washer, shim, bushing, patent washer; see also part 2 . 2. [A machine for washing] Syn. automatic dishwasher, washing machine, laundry machine, electric washer, gasoline… …   English dictionary for students

  • washer — [[t]wɒ̱ʃə(r)[/t]] washers 1) N COUNT A washer is a thin flat ring of metal or rubber which is placed over a bolt before the nut is screwed on. 2) N COUNT A washer is the same as a washing machine. [INFORMAL] …   English dictionary

  • washer — UK [ˈwɒʃə(r)] / US [ˈwɑʃər] noun [countable] Word forms washer : singular washer plural washers 1) a small flat ring used for filling the space between two metal parts, for example between a surface and the top of a screw 2) informal a washing… …   English dictionary

  • washer — /ˈwɒʃə / (say woshuh) noun 1. someone or something that washes. 2. a machine or apparatus for washing something. 3. a flat ring or perforated piece of leather, rubber, metal, etc., used to give tightness to a joint, to prevent leakage, and to… …  

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