[ pen-dee-kaws-tah-ree-awn; English pen-ti-ko-stair-ee-on ]

noun,plural pen·te·cos·ta·ri·a [pen-dee-kaws-tah-ree-ah; English pen-ti-ko-stair-ee-uh], /ˌpɛn di kɔsˈtɑ ri ɑ; English ˌpɛn tɪ kɒˈstɛər i ə/, pen·te·cos·ta·ri·ons.Greek Orthodox Church.
  1. a service book of offices for the period from Easter to the Sunday after Pentecost.

Origin of pentecostarion

<Late Greek pentēkostárion, equivalent to Greek pentēkost() Pentecost + -arion<Latin -ārium-ary

Words Nearby pentecostarion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023