LATIN DICTIONARYLexicon Latīnum
suffix · neutersecond declension

-ārium

-ārium n (genitive -āriī or -ārī)
Classical[aː.ri.ũː]Ecclesiastical[a.ri.um]

Meaning

  1. morphemeused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
    arma (“weapons, tools”) + -ārium → armārium (“closet, chest”)
    sōl (“sun”) + -ārium → sōlārium (“sundial, house-top”)

Origins

Neuter nominalization of -ārius. Cf. -ium.

Descendants
  • English-arium
  • Dutch-arium
  • Polish-arium

Quick answers

What does -ārium mean in Latin?
-ārium, a suffix, means “used primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end”.
How do you pronounce -ārium?
In classical Latin, [aː.ri.ũː]; in ecclesiastical (church) Latin, [a.ri.um].