teeter-totter
From Longman Dictionary of Contemporary EnglishRelated topics: Toysteeter-totterˈteeter-ˌtotter noun [countable] American EnglishDHT a large toy like a board on which two children sit, one at each end SYN seesaw British EnglishExamples from the Corpusteeter-totter• Daphne had been playing with her friend Jason on the teeter-totter.