洗せんFreq.FrequencyTop 20,000Meanings1nounwashing machine; washerabbreviationAbbreviation of 洗濯機, used on floor plans and architectural drawings to indicate the space for a washing machine.See also: 洗濯機間ま取どり図ずの「洗せん」は洗せん濯たく機き置おき場ばのことです。The '洗' on the floor plan means the space for a washing machine.