lightweight single-breasted jacket; often striped in the colors of a club or school
"He wore his navy and gold blazer to the annual golf tournament, where it was customary for all members to dress in their house colors."
A semi-formal jacket.
"She paired her crisp white shirt with a navy blazer to attend the office mixer."
A surname.
"At the local charity gala, Mr. Blazer shook hands with several donors while wearing a navy suit."