Sun·day 
/ˈsʌnˌdeɪ/ noun
plural Sun·days /ˈsʌnˌdeɪ/ noun : the day of the week between Saturday and Monday [count] ▪ She visited me last Sunday. ▪ What are you doing this/next Sunday? = What are you doing this coming Sunday? ▪ We go to church on Sundays. [=every Sunday] ▪ My birthday falls on a Sunday this year. ▪ (Brit) Next week I'll arrive on the Monday and leave on the Sunday. [noncount] ▪ Next week I'll arrive on Monday and leave on Sunday. ▪ I will leave on Sunday morning. ▪ the Sunday newspaper ▪ a Sunday brunch — abbr. Sun.
a month of Sundays — see month
— Sundays adverb
▪ He works Sundays. [=he works every Sunday]
▪ He works Sundays. [=he works every Sunday]
