Submitted by György Chityil ... on Fri, 01/19/2018 - 17:13 Hierarchy: NounDescription: {{chiefly|UK|music}} the single at the top of the singles charts on Christmas Day (25 December)Ngram: Christmas number oneNgram Text: Christmas number oneSource: WiktionaryIssue: 0Wiktionary tag: chieflyNgram Count: 3