As nouns the difference between altarpiece and ancona
is that altarpiece
is a work of art suspended above and behind an altar in a church while ancona
is an altarpiece, especially one of multiple connected pictures.
a work of art suspended above and behind an altar in a church
* I walked across the concrete to examine the altarpiece of the atomic age. A large crack ran through it. '' — ''Atomic John: A truck driver uncovers secrets about the first nuclear bombs , David Samuels December, The New Yorker, 15, 2008 [http://www.newyorker.com/reporting/2008/12/15/081215fa_fact_samuels?printable=true]
(en proper noun
A town and associated province in the Marche, Italy.
A breed of poultry.
* ”In all but colouring, the Ancona is a very similar bird to the Leghorn. It was imported from Italy probably some years before the latter. See ref. p.43.
1962: C.Arthur Pearson. Pictorial Poultry-Keeping. Cox & Wyman Ltd (2nd ed.)