mail flag

noun

A nautical flag indicating that a vessel is carrying mail.

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Meanings

nounmail flag (plural mail flags)

plural mail flags

  1. A nautical flag indicating that a vessel is carrying mail.
Cite this entry
APA

mail flag. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mail%20flag

MLA

“mail flag.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mail%20flag. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mail flag,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mail%20flag.

Source: mail flag on Wiktionary, CC BY-SA 4.0.