supplication supplication /ˌsʌplɪˈkeɪʃən/

noun

1. The act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)  ( supplication , prayer )
   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 prayer
   the priest sank to his knees in prayer
   
   
2. A humble request for help from someone in authority  ( plea , supplication )
   a humble request for help from someone in authority
   
3. A prayer asking God's help as part of a religious service  ( supplication , invocation )
   a prayer asking God's help as part of a religious service