hlāf-mæsse, f.n: Lammas, August 1st. Literally means “loaf-mass”, a festival for the year’s 1st harvest. (“hlaf-mass-eh”)
Kazutomo Karasawa describes Lammas Day as “a unique English harvest festival, in which loaves of bread made from the first ripe corn were consecrated”.*
*K. Karasawa, The Old English Metrical Calendar (Menologium) (Cambridge: D. S. Brewer, 2015), p. 111. See my review of the book here.