• What does UMBRA Stand For?

    For UMBRA we have found 4 definitions.

  • What does UMBRA mean? We know 4 definitions for UMBRA abbreviation or acronym in 2 categories. Possible UMBRA meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.

UMBRA Stands For:

All acronyms (4)Airports & Locations Business & Finance Common Government & Military (2)Medicine & Science Chat & Sub Cultures Education Schools (1)Technology, IT etc.
RankAbbreviationMeaning
*****UMBRA[not an acronym] US Codeword for high grade SIGINT
  
***UMBRAUpper Mississippi River Basin Association
  
**UMBRAUS Codeword for high grade SIGINT
  
*UMBRAUmbral Missions Blocking Radiating Astronomical