An artifact which is increasingly rare. It is a small structure, just large enough to turn around in, with a metal frame and glass or plastic windows, and a door for one wall. Within there is a pay phone, a light, and usually a shelf or two ... and sometimes a phone book.

Superman used them to change clothes. Bill and Ted used one to do their time traveling. Doctor Who did not use a phone booth, as some Americans think, but rather a police box.