Bill Haley bill·ha·ley uncommon noun 1. United States rock singer who was one of the first to popularize rock''n''roll music (1925-1981) SynonymsHaleyBill HaleyWilliam John Clifton Haley Jr. Related words Broader terms rock star WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
