Weatherstrip (noun)

A material applied to the edges of a door or window frame to seal the gaps between the frame and the door or window and prevent drafts.

Origin:

Weatherstrip is a combination of weather + strip, weather is from old english "weder" means the state of the atmosphere with regard to heat or cold, moisture, wind, etc. and strip is from old english "strep" means a narrow piece of cloth or paper.

Examples:

1. He replaced the old weatherstrip around the windows.
2. The weatherstrip on the front door needs to be replaced.
3. Weatherstrip is a great way to keep drafts out of your home.
4. He applied weatherstrip to the door frame to keep the cold air out.
5. The weatherstrip on the garage door is worn and needs to be replaced.