Black Fast
The custom of observing the two great Prayer Book fast days, Ash Wednesday and Good Friday, by eating no food at all. This was observed as a pious custom by some devout church people in the nineteenth century in imitation of the fasting of the ancient church.
Glossary definitions provided courtesy of Church Publishing Incorporated, New York, NY,(All Rights reserved) from “An Episcopal Dictionary of the Church, A User Friendly Reference for Episcopalians,” Don S. Armentrout and Robert Boak Slocum, editors.