A blouse is a piece of clothing that girls and women wear on their upper body. It's usually made of soft and light materials, like cotton, silk or polyester. It's like a shirt, but it's more fancy and has more decorative features like buttons, lace, ribbons, or embroidery.
Blouses come in many different colors and shapes. Some are tight and fit snugly around your waist, while others are loose and flowy. You can wear a blouse with pants, skirts or shorts, and they are often worn for formal or special occasions.
So, in summary, a blouse is a pretty shirt that girls and women wear when they want to look nice and dress up.