The meaning of the Acronym SIW is...

SIW is

• Soil and Irrigation Water

More Meanings For SIW:

• System Information for Windows
• Soil and Irrigation Water
• Stanford In Washington
• Soil and Irrigation Water
• Soldier In Wonderland
• Self Inlficted Wounds
• Super Internet Wrestling
• Self inflicted wound
• SImulation Works, Inc.
• Space Internet Workshop
• Socialist International Women
• Simulation Interoperability Workshop
• Share Ideas Willingly
• Smithsonian World
• soweit ich weiß

SIW is also in:

• Conferences
• Educational
• Farming
• Firms
• German
• Media
• Meteorology
• NASA
• Physiology
• Politics
• Software
• Unfiled
• Universities