From Longman Dictionary of Contemporary EnglishBoy ScoutˌBoy ˈScout / $ ˈ../ noun [countable] SSOa member of the scouts → Girl Scout, guide
Examples from the Corpus
Boy Scout• Even a slight anecdote of her as a sixteen-year-old girl guide being seduced in a tent by a boy scout is illustrated.• I hold my hands over the cooker like I was a boy scout crouched over a camp-fire.• The idea of the boy Scout movement soon spread and was imitated throughout the civilised world.• I first recall the line in 1959 when as a young boy scout I was taken to camp at Pont-y-Pant.