LATIN DICTIONARYLexicon Latīnum
adverb

postrēmum

postrēmum (not comparable)
Classical[ˈpɔs.trɛ.mũː]Ecclesiastical[ˈpɔs.tre.mum]

Meaning

  1. not comparablelast of all, finally

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

postrēmum adv.
postremus, for the last time, last of all, at last : hodie postremum me vides, T.: eo die, quo postremum visus erat: Illum Postremum expellet heres, H.

Quick answers

What does postrēmum mean in Latin?
postrēmum, a adverb, means “last of all, finally”.
How do you pronounce postrēmum?
In classical Latin, [ˈpɔs.trɛ.mũː]; in ecclesiastical (church) Latin, [ˈpɔs.tre.mum].