noun U.S. History.
Examples from the Web for muster day
Historical Examples of muster day
And now comes dinner,—a most important feature of muster-day.
A very different affair is the "muster-day" of the early fall, before the cold days and nights have come to stay.
It is Sunday, and muster-day, and the Alabama has once more been put in perfect order.
Quarterly training or muster-day became an occasion more noted for the rum then consumed than for the drilling done.The Old First Massachusetts Coast Artillery in War and Peace
Frederick Morse Cutler
As a child, I loved to see the colors of the holiday-soldiers flapping in the wind and flaunting in the sun on "muster-day."