Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OAS is...

OAS is

Operations Automation System
Offensive Air Support
Organization of American States
On Active Service

More Meanings For OAS:

Oracle Application Server
Office Administration System
Optimum Additive Solution
Organization of American States
Online Assessment System
Office of Applied Studies
Odd And Sods
One Angry Swede
Overpayments And Accounting Summary
Overpayments And Accounting Summary
Organization of American States
Old Age Security
Option Adjusted Spread
Operations Automation System
Offensive Air Support

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