[suhn-dey, -dee] 
| 1. | the first day of the week, observed as the Sabbath by most Christian sects. |
| 2. | of, pertaining to, or characteristic of Sunday. |
| 3. | used, done, taking place, or being as indicated only on or as if on Sundays: a Sunday matinée. |
| 4. | a month of Sundays, an indeterminately great length of time: She hadn't taken a vacation in a month of Sundays. |
[suhn-dey, -dee] | 1. | William Ashley [ash-lee] , (“Billy Sunday”), 1862–1935, U.S. evangelist. |
| 2. | a female given name. |
| Sun·day (sŭn'dē, -dā') n.
[Middle English, from Old English sunnandæg; see sāwel- in Indo-European roots.] Sun'days adv. |
| Sunday, William Ashley Known as "Billy." 1862-1935. American evangelist. Originally a professional baseball player (1883-1891), he began preaching in 1896 and became a Presbyterian minister in 1903. |