LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

lēctiōnārium

lēctiōnārium n (genitive lēctiōnāriī)
Classical[ɫeːk.ti.oːˈnaː.ri.ũː]Ecclesiastical[lek.t͡si.oˈnaː.ri.um]

Meaning

  1. EcclesiasticalLatinMedieval Latinlectionary
    Mittite mihi de pergameno bono ad unum lectionarium perscribendum et ad unum missalem Gregorianum. [Mittite mihi dē pergamēnō bonō ad ūnum lēctiōnārium perscrībendum et ad ūnum missālem Gregōriānum.]Send me some good parchment for writing out one lectionary and for one Gregorian Missal.c. 825–828, Henry Ashworth, quoting Tatto, “The Liturgical Prayers Of St. Gregory The Great”, in Traditio, volume 15, published 1959, →JSTOR, page 110:

Declension

declension
formsingularplural
nominativelēctiōnāriumlēctiōnāria
genitivelēctiōnāriīlēctiōnāriōrum
dativelēctiōnāriōlēctiōnāriīs
accusativelēctiōnāriumlēctiōnāria
ablativelēctiōnāriōlēctiōnāriīs
vocativelēctiōnāriumlēctiōnāria

Origins

From lēctiō + -ārium.

Quick answers

What does lēctiōnārium mean in Latin?
lēctiōnārium, a noun, means “lectionary”.
What is the genitive of lēctiōnārium?
The genitive singular is lēctiōnāriī. lēctiōnārium is neuter, second declension.
How do you pronounce lēctiōnārium?
In classical Latin, [ɫeːk.ti.oːˈnaː.ri.ũː]; in ecclesiastical (church) Latin, [lek.t͡si.oˈnaː.ri.um].