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Wiktionary
bdu

init. (context US military English) battle dress uniform.

Wikipedia
BDU

The abbreviation BDU may refer to:

  • Battle Dress Uniform, United States military combat uniforms worn from the 1980s to 2010s
  • Befehlshaber der U-Boote (BdU), commander-in-chief of Germany's submarine fleets in World War II
  • FAA location identifier for Boulder Municipal Airport
  • The IATA airport code for Bardufoss Airport, Norway
  • Bharathidasan University, a university in the city of Tiruchirapalli, Tamil Nadu state, India
  • Broadcast Distribution Undertaking, the Canadian term for Multichannel video programming distributor