LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

bonum

bonum n (genitive bonī)
Classical[ˈbɔ.nũː]Ecclesiastical[ˈbɔː.num]

Meaning

  1. neutera moral good
  2. in pluralneuterpossessions

Declension

declension
formsingularplural
nominativebonumbona
genitivebonībonōrum
dativebonōbonīs
accusativebonumbona
ablativebonōbonīs
vocativebonumbona

Lewis & Short A Latin Dictionary, 1879

bŏnum, i, n., v. bonus, I. 5. and II. A. 5.

Origins

Nominalization of bonus.

Quick answers

What does bonum mean in Latin?
bonum, a noun, means “a moral good; possessions”.
What is the genitive of bonum?
The genitive singular is bonī. bonum is neuter, second declension.
How do you pronounce bonum?
In classical Latin, [ˈbɔ.nũː]; in ecclesiastical (church) Latin, [ˈbɔː.num].