The meaning of the Acronym PLUM is...

PLUM is

• Payload Umbilical Mast

More Meanings For PLUM:

• Portable Library Unit And Monitor
• Probabilistic Language Understanding Model
• Practical Lightweight Universal Methodology
• Peace Love And Understanding Machine
• The Peace Love And Unity Movement
• Price Lookup Universal Management
• Payload Umbilical Mast

PLUM is also in:

• General
• NASA
• Unfiled