The meaning of the Acronym ERD is...

ERD is

• Engineering Review Diagram
• Entity Relationship Diagram
• External Requirements Document
• Emergency Rescue Disk
• Emergency Recovery Disk

More Meanings For ERD:

• Elastic Recoil Detection
• Engineering Research Division
• End Recovery Data
• Entity Relationship Diagram
• Entity Relationship Diagram graphic file (Prosa)
• Engineering Review Diagram
• Entity Relationship Diagram
• External Requirements Document
• Emergency Rescue Disk
• Emergency Recovery Disk
• Emergency Repair Disk
• Entity Relationship Diagram
• External Requirements Document
• Experiment Requirements Document
• Evil Rubber Duckie

ERD is also in:

• Databases
• Electronics
• File Extensions
• Funnies
• General
• Military
• NASA
• Software