Sun"day (?), n. [AS. sunnandaeg; sunne, gen. sunnan, the sun + daeg day; akin to D. zondag, G. sonntag; -- so called because this day was anciently dedicated to the sun, or to its worship. See Sun, and Day.]
The first day of the week, -- consecrated among Christians to rest from secular employments, and to religious worship; the Christian Sabbath; the Lord's Day.
Advent Sunday, Low Sunday, Passion Sunday, etc. See under Advent, Low, etc.
Syn. -- See Sabbath.
© Webster 1913.
Sun"day, a.
Belonging to the Christian Sabbath.
Sunday letter. See Dominical letter, under Dominical. -- Sunday school. See under School.
© Webster 1913.