Fasting he went to sleep, and fasting waked.
--Milton.
2. To practice abstinence as a religious exercise or duty; to
abstain from food voluntarily for a time, for the
mortification of the body or appetites, or as a token of
grief, or humiliation and penitence.
Thou didst fast and weep for the child. --2 Sam.
xii. 21.
{Fasting day}, a fast day; a day of fasting.