Gang Monday
/ɡaŋ ˈmʌndeɪ/ /ɡaŋ ˈmʌndi/Now historical
noun
Monday in Rogation week, the first of the Gang Days, during which religious processions take place.
Origin
Early 16th century; earliest use found in Household Book Earl of Surrey. From gang + Monday, after Gang Day, Gang Week.