The meaning of the Acronym OSD is...

OSD is

• Open Source Definition
• Operational Support Document

More Meanings For OSD:

• On Screen Display
• Over Sampling Depth
• Oscillator Strength Distribution
• Overages, Shortages, and Damages
• Original Story Debate
• Order for Snapes Defence
• Outsourced Software Development
• On-screen System Display
• Object Storage Device
• Open Source Definition
• Open Source Definition
• Operational Support Document
• Office of the Secretary of Defense
• Operating Strength Deviation
• Operational Sequence Diagram

OSD is also in:

• Accounting
• Electronics
• General
• Hardware
• Media
• Military
• Security
• Software