Meaning of SUNDAY in English

■ noun the day of the week before Monday and following Saturday, observed by Christians as a day of rest and religious worship.

■ adverb chiefly N. Amer. on ~.

↘( ~s ) on ~s; each ~.


OE Sunnandæg 'day of the sun', translation of L. dies solis .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.