2. washer a flat ring or perforated piece of rubber, metal, etc., used to give tightness to a joint, to prevent leakage, to distribute pressure, etc., as under the head of a nut or bolt.
Etymology: (1275–1325)
Definition of 'Washer'
Princeton's WordNet
1. (noun)washer someone who washes things for a living
2. (noun)washer seal consisting of a flat disk placed to prevent leakage
3. (noun)washer, automatic washer, washing machine a home appliance for washing clothes and linens automatically
1. (noun)washer a machine that washes clothes an electric washer and dryer
Definition of 'Washer'
Webster Dictionary
1. (noun)Washer one who, or that which, washes
2. (noun)Washer a ring of metal, leather, or other material, or a perforated plate, used for various purposes, as around a bolt or screw to form a seat for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc
3. (noun)Washer a fitting, usually having a plug, applied to a cistern, tub, sink, or the like, and forming the outlet opening
Definitions of Washer 
Afrikaans: wasser
Arabic: غَسّالَه، عامِل غَسيل
Bulgarian: мияч
Brazilian: máquina de lavar
Czech: pradlák, -lena; myčka nád
German: der/die Wäscher(in), die 
Danish: vaskekone; opvasker; vask
Greek: αυτός που πλένει, πλυντήρ
Spanish: lavandero, lavandera; lav
Estonian: (-)pesija
Farsi: شوينده
Finnish: pesukone, pesijä
French: laveur/-euse; lave-vaisse
Hebrew: מְכוֹנַת כְּבִיסָה
Hindi: धोनेवाला
Croatian: pralja, stroj za pranje
Hungarian: mosó
Indonesian: pencuci
Icelandic: þvottavél
Italian: lavatore, lavatrice lavas
Japanese: 洗い機
Korean: 빨래하는 사람(것), 세탁기
Lithuanian: plovėjas, plovimo mašina
Latvian: mazgājamā mašīna
Malay: pembasuh
Dutch: wasautomaat
Norwegian: vasker; vaskemaskin
Polish: pomywacz(ka) zmywarka
Portuguese: máquina de lavar
Romanian: spălător; maşină de spăla
Russian: мойщик; стиральная/посудо
Slovak: práč, -ka; práčka; umývač
Slovenian: pralec; pralni stroj
Serbian: mašina za pranje
Swedish: tvättare, tvättmaskin, di
Thai: คนซักล้าง; เครื่องซักผ้า
Turkish: yıkayıcı
Taiwanese: 清洗的人或機器
Ukrainian: мийник; пральна машина
Urdu: دھوبی
Vietnamese: người giặt; máy giặt
Chinese: 洗涤者或洗涤器
