↑ Oxford English Dictionary, Third Edition, s.v. 'frosting' 3.a ↑ Lynne Olver. "The Food Timeline: cake history notes". foodtimeline.org. ↑ Oxford English Dictionary, 3rd edition, 2012, s.v. ↑ Oxford English Dictionary, 3rd edition, 2012, s.v. ↑ Oxford English Dictionary, 3rd edition, 2012, s.v.