Urinals are used for male public restrooms and come in various shapes, sizes, and brands. However, a synonym for urinals could be "pissoirs" which is a French word used in European countries. Another synonym for urinals is "men's room fixtures" which includes not only urinals but also sinks, stalls, and other restroom facilities. "Pee troughs" is another synonym that is used for urinals that are communal and lack privacy barriers. Finally, "drainage channels" could be called synonyms for urinals used in factories or other industrial settings where a continuous flow of urine needs to be managed and processed.