About The Abbreviation Or Acronym O.S.

Real Dictionary

What does O.S. mean? Discover the definition of the acronym or abbreviation O.S. at the RealDictionary.com.

O.S.

O.S. Definition
O.S. Definition

What's The Definition Of O.S.?

The definition of O.S. is:

Oculus Sinister

Operational Support

Ossa Sita

Out of stock

Overseas

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