释义 |
wash·er I. \ˈwȯshə(r), ˈwäsh-, ˈwȯish-, ÷ ˈwȯrsh- or ˈwärsh-\ noun (-s) Etymology: Middle English wassher, from wasshen to wash + -er 1. a. : a person who washes; specifically : a worker who cleans by washing (as clothes, animals, or materials or products in processes of preparation, manufacture, or maintenance) b. : a machine for washing something: as (1) : a device for removing dirt and soluble impurities from pulp and paper stock (2) : washing machine (3) : an apparatus or device for washing photographic materials to remove soluble chemical products (as produced by development or fixing) (4) : an apparatus in which gases are washed : scrubber c < rotary washers > 2. [Middle English; from the motion of its tail resembling the motion of one washing clothes or dishes] dialect England : pied wagtail 3. : any of various flat thin rings or perforated plates (as of metal or leather) used in joints or assemblies to insure tightness, prevent leakage, or relieve friction — see lock washer, spring washer 4. [so called from its habit of washing its food before eating] : raccoon II. transitive verb (-ed/-ing/-s) : to furnish with a washer |