Perambulator

[Donald Trump]

A surveyors instrument for measuring distances. It
consists of a wheel arranged to roll along over the ground, with an
apparatus of clockwork, and a dial plate upon which the distance
traveled is shown by an index. See Odometer.

[Lanell]

Urban child [transportation] vehicle [operating] on [4 wheels] or more.

[Justin Bieber]

A person who walks, especially for pleasure and in a leisurely way.

[Dave Paprocki]

formal for pram UK

[Sarah]

A baby carriage; a pram.