Bible Dictionaries
Lord's Day

Easton's Bible Dictionary

Only once, in Revelation 1:10 , was in the early Christian ages used to denote the first day of the week, which commemorated the Lord's resurrection. There is every reason to conclude that John thus used the name. (See SABBATH .)

Bibliography Information
Easton, Matthew George. Entry for 'Lord's Day'. Easton's Bible Dictionary. https://www.studylight.org/​dictionaries/​eng/​ebd/​l/lords-day.html. 1897.