D defs.my
Entry 1 sense Webster, 1913

Altarpiece

/äl′-tər-pēs′/ · Al·tar·piece · IPA /ˈɑl.təɹˌpis/
01 n. The painting or piece of sculpture above and behind the altar; reredos.
  1. 1.
    The painting or piece of sculpture above and behind the altar; reredos.