- (n.) The next in order after the eleventh.
- (n.) The quotient of a unit divided by twelve; one of twelve equal parts of one whole.
- (a.) Next in order after the eleventh; coming after eleven others; -- the ordinal of twelve.
- (a.) Consisting or being one of, twelve equal parts into which anything is divided.
- (n.) An interval comprising an octave and a fifth.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). twelfth. Retrieved September 20, 2026, from http://smartdefine.org/twelfth/definitions/2075754 |
| Chicago | Webster's. 2011. "twelfth" http://smartdefine.org/twelfth/definitions/2075754 (accessed September 20, 2026). |
| Harvard | Webster's 2011, twelfth, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/twelfth/definitions/2075754>. |
| MLA | Webster's. "twelfth" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/twelfth/definitions/2075754> |