Meanings
plural speedletters
- historicalgovernmentA kind of military communication that is delivered especially quickly, bypassing the usual delivery system, and does not employ electrical transmission.
Origin
Cite this entry
speedletter. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/speedletter
“speedletter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/speedletter. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “speedletter,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/speedletter.
Source: speedletter on Wiktionary, CC BY-SA 4.0.