window cleaner
noun /ˈwɪndəʊ kliːnə(r)/
  /ˈwɪndəʊ kliːnər/
 - (especially British English) (North American English usually window washer)[countable] a person whose job is to clean windows
- He works as a window cleaner.
 
 - [uncountable] (especially North American English) a liquid substance used for cleaning windows
- Spray the glass door with window cleaner.