From Longman Dictionary of Contemporary EnglishSunday schoolˈSunday school noun [countable, uncountable] RRCa place where children are taught about Christianity on Sundays
Examples from the Corpus
Sunday school• Estimates of total enrolment vary, but it seems unlikely that there were less than 100,000 Sunday school pupils by 1800.• I taught a Sunday school class and sang in the church choir, whose members included soldiers stationed at nearby bases.• The sabbath sees the pub transformed into St Mary's Sunday School and the rafters raised with hymn singing.• According to Miss Sadie, they had built the church with room for growth of the Sunday school.• A special outing with the Sunday school children. 