The meaning of the Acronym GDM is...

GDM is

• Great Dark Man

More Meanings For GDM:

• Gestalt Data Model
• Gnome Display Manager
• GSM Data Module
• Great Dark Man
• Gestational Diabetes Mellitus
• Global Delivery Model
• Gardner, Massachusetts USA

GDM is also in:

• Airport Codes
• Databases
• Funnies
• Physiology
• Products
• Software
• Telecom