Advertisement
Advertisement
O.S.A.
abbreviation for
- Order of St. Augustine (Augustinian).
OSA
abbreviation for
- Order of Saint Augustine
Advertisement
Word of the Day
[tawr-choo-uhs ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse