weather strip - definition and synonyms

noun [countable/uncountable] 

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singularweather strip
pluralweather strips
  1. a thin piece of material such as plastic that is placed around the sides of a door or window to prevent cold air from coming in

derived word

weatherstrip

verb [transitive]
present tense
I/you/we/theyweatherstrip
he/she/itweatherstrips
present participleweatherstripping
past tenseweatherstripped
past participleweatherstripped