Lammas \Lam"mas\, n. [AS. hl[=a]mmesse, hl[=a]fm[ae]sse, loaf mass, bread feast, or feast of first fruits; hl[=a]f loaf + m[ae]sse mass. See {Loaf}, and {Mass} religious service.] The first day of August; -- called also {Lammas day}, and {Lammastide}.
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}]