Blazer (noun)

1. A type of jacket that is often worn as part of a uniform or as a sport coat.
2. A smart and casual jacket that is worn over a shirt and tie.

Origin:

The word blazer comes from the word blaze, which means a bright flame or a strong light. it was originally used to describe a type of jacket worn by sailors that was brightly colored and easily spotted on deck.

Examples:

1. He wore a navy blue blazer to the interview.
2. The blazer is a popular item in men's fashion.
3. She paired her blazer with a skirt and heels.
4. The school's colors are navy blue and white, and the blazers are worn by students.
5. The blazer is a jacket that is worn over a shirt and tie, and is considered a smart casual attire.