ðə kˈæɾɐkˌoʊm tʃˈɜːtʃ æz ɐ kəlˈɛktɪv nˈeɪm lˈeɪbəlz ðoʊz ɹˌɛpɹᵻzˈɛntətˌɪvz ʌvðə ɹˈʌʃən ˈɔːɹθədˌɑːks klˈɜːdʒi, lˈeɪəɾi, kəmjˈuːnᵻɾiz, mˈɑːnɐstɚɹiz, bɹˈʌðɚhˌʊdz, ɛtsˈɛtɹə., hˌuː fɔːɹ vˈɛɹiəs ɹˈiːzənz, hæv mˈuːvd tʊ ɐn ɪlˈiːɡəl pəzˈɪʃən sˈɪns ðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti z.
The Catacomb Church () as a collective name labels those representatives of the Russian Orthodox clergy, laity, communities, monasteries, brotherhoods, etc., who for various reasons, have moved to an illegal position since the 1920s.