As a Noun: 1. A piece of clothing you wear on the upper part of your body. It has a collar, sleeves, and buttons down the front. English = shirt. 2. A kind of shirt worn by a girl or woman. English = blouse. 3. A piece of clothing that you wear on the top half of your body. It has short sleeves, no collar, and no buttons down the front. English = T-shirt. As a Verb or Adjective: 1. To wear or be wearing a shirt or blouse.