LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

compositum

compositum n (genitive compositī)

Meaning

  1. neuterthat which is agreed; an agreement, compact, etc.
  2. neutercompound word, compound

Declension

declension
formsingularplural
nominativecompositumcomposita
genitivecompositīcompositōrum
dativecompositōcompositīs
accusativecompositumcomposita
ablativecompositōcompositīs
vocativecompositumcomposita

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

compositum (conp-) ī, n
compono, an agreement, compact: ex composito orta vis, L., Cu.

Origins

Inflected form of compositus; the noun is the substantivised neuter form.

Quick answers

What does compositum mean in Latin?
compositum, a noun, means “that which is agreed; an agreement, compact, etc.; compound word, compound”.
What is the genitive of compositum?
The genitive singular is compositī. compositum is neuter, second declension.