The meaning of the Acronym GMS is...

GMS is

• Gully Man Screaming

More Meanings For GMS:

• Geostationary Meteorological Satellite
• Geostationary Meteorology Satellite
• Geostationary Meteorological Satellite
• Gate Millennium Scholar
• Gully Man Screaming
• General Mail System
• Guild Message System
• Groundwater Modeling System
• Generalized Motion Simulation
• Graphical Modeling System
• Great Mekong Sub
• Great Mutant Skywheel
• The Gordano Messaging Suite
• Gemtec Machinery Services
• George Muscolino And Sons

GMS is also in:

• Funnies
• Meteorology
• Ocean Science
• Unfiled
• Universities
• USPS