Baby carriages are a type of vehicle used to transport babies and young children. They come in various shapes and sizes, and can be referred to by different names. The term 'PRAM' is a four-letter word used to describe a baby carriage with a bassinet-style body, often with a hood or canopy. A PERAMBULATOR is a twelve-letter word for a baby carriage with four wheels and a folding frame, usually with a removable canopy. Finally, a STROLLER is an eight-letter word for a lightweight baby carriage with a folding frame, typically with a reclining seat and adjustable handle.