powder flag

noun Nautical.

red flag(def 4).

Origin of powder flag

First recorded in 1870–75

Words nearby powder flag

powder burn, powder charge, powder chest, powder compact, powder down, powder flag, powder flask, powder horn, powder keg, powder magazine, powder metallurgy

Example sentences from the Web for powder flag

  • A cart went along by my side carrying a red flag; it was a powder-flag.

    Zones of the Spirit |August Strindberg