weatherstrip
1. [ verb ] provide with weatherstripping, as of window frames
Examples:

"The window must be weatherstripped before the cold weather sets in"

Related terms: insulate
2. [ verb ] equip with weatherstripping
Examples:

"He weatherstripped the windows when it got cold"

Related terms: equip
Similar spelling:   weather_strip
  Weatherspoon
  weather_ship
  Weathersby
  weatherglass
  weather_sheet
  weather_chart
  Weatherwax
  weathercock
  weather_station
  weather_side