British Diaper is a term used to refer to the type of diaper commonly used in the United Kingdom. It is also known as a NAPPY, which is a five-letter word. British Diapers are usually made of absorbent material and are designed to contain and absorb urine and feces. They are often used for babies and toddlers, but can also be used for adults with incontinence. British Diapers are available in a variety of sizes and styles, and are often reusable and washable.