A uniform worn by members of a school, workplace, or organization (e.g., school uniform, work uniform).
高校ではほとんどの生徒が制服を着ている。
Most students wear uniforms at high school.
新入社員は入社式で会社の制服を受け取った。
New employees received the company's uniform at the entrance ceremony.
デザインが変わって、今年から制服が新しくなった。
The design changed, so the uniforms are new starting this year.