perambulator

1 a person who travels by foot for exercise or pleasure counts himself among that select group of hikers who are perambulators of the entire Appalachian Trail Synonyms ambler, hiker, rambler, tramper, walkerRelated Words pedestrian; roamer, rover, trekker, wanderer, wayfarer; alpinist, backpacker, climber, mountaineer

2 chiefly British  a small four-wheeled vehicle designed for pushing a baby around in nannies pushing perambulators around London's Hyde Park Synonyms baby buggy, buggy, baby carriage [chiefly British], pram [chiefly British], pushchair [chiefly British], strollerRelated Words bassinet, cradle, crib; carry-cot [British]