Mōns Casīnus m (genitive Montis Casīnī); third declension
- Monte Cassino (rocky hill near the town of Cassino, the site of the first Benedictine monastery)
- Typis Archicœnobii Montis Casini
- from the Printing House of the Archabbey of Monte Cassino
Third declension (i-stem) noun with a second declension adjective.