NDB

N1D2B3

Initialism of non-directional beacon, a type of radiobeacon used in air navigation which transmits an omnidirectional radio signal containing no encoded information about the direction from an aircraft to the beacon.

Less commonScrabble 6
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Meanings

nounNDB (plural NDBs)

plural NDBs

  1. abbreviationinitialismaeronauticsInitialism of non-directional beacon, a type of radiobeacon used in air navigation which transmits an omnidirectional radio signal containing no encoded information about the direction from an aircraft to the beacon.
  2. abbreviationinitialismgovernmentInitialism of nuclear depth bomb.

Synonyms & antonyms

Rhymes & wordplay

Anagrams

BND
Cite this entry
APA

NDB. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/NDB

MLA

“NDB.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/NDB. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “NDB,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/NDB.

Source: NDB on Wiktionary, CC BY-SA 4.0.