Windbreaker (noun)

1. A lightweight jacket, typically made of a water-resistant material, designed to protect against wind and light rain.
2. A jacket that is worn to block wind and cold air.

Origin:

A compound word, "wind" + "breaker", meaning a jacket or clothing designed to break or protect against wind.

Examples:

1. I always wear a windbreaker when I go running on windy days.
2. He packed a windbreaker in case the weather turned cold.
3. The windbreaker is a must-have for any outdoor enthusiast.
4. The windbreaker fabric is breathable and lightweight.
5. The windbreaker has a hood to protect your head and ears from the wind.