From Longman Dictionary of Contemporary Englishxylophonexy‧lo‧phone /ˈzaɪləfəʊn $ -foʊn/ noun [countable] 
APMa musical instrument which consists of metal or wooden bars of different lengths that you hit with a special stick → glockenspiel
APMa musical instrument which consists of metal or wooden bars of different lengths that you hit with a special stick → glockenspielExamples from the Corpus
xylophone• They will never recede like a xylophone.• Ribs like a xylophone, they said.• Emma was experimenting with atonal motifs on a xylophone and Vicky had been given a doll but had pulled the arm off.• She spoke in an angry volume that shrank my male unit and climbed tonal scales like a steam-driven xylophone.• The hammering and pounding made a terrific noise, as if the old men were tuning dementedly a giant xylophone.• It can only be a matter of time before some one buys Ronan's Fisher Price xylophone.Origin xylophone (1800-1900) Greek xylon “wood” + phone “voice, sound” 