(n.) An exclamation of joy or triumph; -- often interjectional.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). io. Retrieved September 21, 2026, from http://smartdefine.org/io/definitions/2023567 |
| Chicago | Webster's. 2011. "io" http://smartdefine.org/io/definitions/2023567 (accessed September 21, 2026). |
| Harvard | Webster's 2011, io, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/io/definitions/2023567>. |
| MLA | Webster's. "io" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/io/definitions/2023567> |