From Longman Dictionary of Contemporary Englishstrollerstroll‧er /ˈstrəʊlə $ ˈstroʊlər/ noun [countable] 1 
American EnglishDHB a small chair on wheels, in which a small child sits and is pushed along SYN buggy, pushchair British English2 someone who is strolling evening strollers on the promenade
American EnglishDHB a small chair on wheels, in which a small child sits and is pushed along SYN buggy, pushchair British English2 someone who is strolling evening strollers on the promenadeExamples from the Corpus
stroller• She was pushing a stroller that held her eighteen-month-old son, Corey, still wearing his pajamas.• A huge choice and plenty of Information Centres for casual strollers or energetic backpackers.• They come to us in strollers and with baby bottles.• No strollers are allowed on the trails.• I could see no tourists or other strollers so quickly cast out a handful of breadcrumbs.• They walked on, towards and then past Miss Lavant, and past the other strollers on the promenade.• I stopped walking and stared wide-eyed as the rest of the senescent strollers proceeded out of this dimension.• Back on the street, Lee-Cruz sullenly pushed the stroller toward the bus stop. 