A period of from four to six weeks, in the summer, variously placed by almanac makers between the early part of July and the early part of September; canicular days; -- so called in reference to the rising in ancient times of the Dog Star (Sirius) with the sun. Popularly, the sultry, close part of the summer.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). dog days. Retrieved September 24, 2026, from http://smartdefine.org/dog_days/definitions/1999796 |
| Chicago | Webster's. 2011. "dog days" http://smartdefine.org/dog_days/definitions/1999796 (accessed September 24, 2026). |
| Harvard | Webster's 2011, dog days, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/dog_days/definitions/1999796>. |
| MLA | Webster's. "dog days" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/dog_days/definitions/1999796> |