Lam·mas /ˈlæməs/
  聖彼德入日;收; 節
  Lam·mas n.  The first day of August; -- called also Lammas day, and Lammastide.
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  Lammas
       n : commemorates Saint Peter's miraculous deliverance from
           prison; a quarter day in Scotland; a harvest festival in
           England [syn: Lammas Day, August 1]