A loose under-garment for the upper part of the body, made of cotton, linen, or other material; formerly used of the under-garment of either sex, now commonly restricted to that worn by men and boys
1. A shirt is a piece of clothing that you wear on the upper part of your body. Shirts have a collar, sleeves, and buttons down the front. see also dress shirt, stuffed shirt, sweatshirt, T-shirt