LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

commemorātōrium

commemorātōrium n (genitive commemorātōriī or commemorātōrī)
Classical[kɔm.mɛ.mɔ.raːˈtoː.ri.ũː]Ecclesiastical[kom.me.mo.raˈtɔː.ri.um]

Meaning

  1. New Latinan inventory

commĕmŏrātōrĭum, ii, n. id.,
I. a means of remembrance: calliditatis, Ambros. Off. 25.

Origins

Substantivization of the neuter forms of commemorātōrius.

Quick answers

What does commemorātōrium mean in Latin?
commemorātōrium, a noun, means “an inventory”.
What is the genitive of commemorātōrium?
The genitive singular is commemorātōriī. commemorātōrium is neuter, second declension.
How do you pronounce commemorātōrium?
In classical Latin, [kɔm.mɛ.mɔ.raːˈtoː.ri.ũː]; in ecclesiastical (church) Latin, [kom.me.mo.raˈtɔː.ri.um].