supplication - definition and synonyms

noun
  1.   From our crowdsourced Open Dictionary
    1
    a prayer asking for God's help as part of a religious serviceSubmitted by amir from Iran, Islamic Republic of on 04/10/2014
  2.   From our crowdsourced Open Dictionary
    2
    a humble request for help from someone in authoritySubmitted by amir from Iran, Islamic Republic of on 04/10/2014
  3.   From our crowdsourced Open Dictionary
    3
    the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)

    The priest sank to his knees in supplication.

    Submitted by amir from Iran, Islamic Republic of on 04/10/2014