(pl.) of Abacus.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). abacuses. Retrieved September 20, 2026, from http://smartdefine.org/abacuses/definitions/1969503 |
| Chicago | Webster's. 2011. "abacuses" http://smartdefine.org/abacuses/definitions/1969503 (accessed September 20, 2026). |
| Harvard | Webster's 2011, abacuses, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/abacuses/definitions/1969503>. |
| MLA | Webster's. "abacuses" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/abacuses/definitions/1969503> |