Akademik

commemorates Saint Peter's miraculous deliverance from prison; a quarter day in Scotland; a harvest festival in England

see lammas I, 1

Lam|mas «LAM uhs», noun, or Lammas Day,

1. August 1, the day of a harvest festival formerly held in England.

2. August 1, a religious feast in the Roman Catholic Church commemorating the imprisonment and miraculous escape of Saint Peter (in the Bible, Acts 12:4-10).

╂[Old English hlāfmæsse < hlāf bread + mæsse mass (the consecration of loaves of the year's first grain)]