LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

tēlegraphum

tēlegraphum n (genitive tēlegraphī)
Classical[teːˈɫɛ.ɡra.pʰũː]Ecclesiastical[teˈlɛː.ɡra.fum]

Meaning

  1. telegraph
    De matrimonio per procuratorem, nuncium, interpretem, litteras, telegraphum et telephonium.On marriage via agent, messenger, interpreter, letters, telegraph and telephone.1906, Acta Sanctae Sedis, Vol. XXXIX, Vatican, page 379:

Declension

declension
formsingularplural
nominativetēlegraphumtēlegrapha
genitivetēlegraphītēlegraphōrum
dativetēlegraphōtēlegraphīs
accusativetēlegraphumtēlegrapha
ablativetēlegraphōtēlegraphīs
vocativetēlegraphumtēlegrapha

Origins

Calque of French télégraphe, ultimately from Ancient Greek τῆλε (têle, “afar”) + γράφω (gráphō, “to write”).

Quick answers

What does tēlegraphum mean in Latin?
tēlegraphum, a noun, means “telegraph”.
What is the genitive of tēlegraphum?
The genitive singular is tēlegraphī. tēlegraphum is neuter, second declension.
How do you pronounce tēlegraphum?
In classical Latin, [teːˈɫɛ.ɡra.pʰũː]; in ecclesiastical (church) Latin, [teˈlɛː.ɡra.fum].