From Longman Dictionary of Contemporary Englishperambulatorper‧am‧bu‧la‧tor /pəˈræmbjəleɪtə $ -ər/ noun [countable] British English old-fashioned  DHBa pram
                                                    
                                                Examples from the Corpus
perambulator• Margarett walked the baby in a perambulator until she saw the police leave the building hours later.• Pillow and blanket, in size befitting that missing infant, made that black perambulator all the more confounding.• Harper found lace perambulator covers that made perfect tops for the women, and printed silk jersey for church dresses.• When again I passed through the foyer that day, the perambulator was gone, of course. 
