(n.) A fleecy cloud formation consisting of large whitish or grayish globular cloudlets with shaded portions, often grouped in flocks or rows.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). alto-cumulus. Retrieved September 21, 2026, from http://smartdefine.org/alto-cumulus/definitions/1972811 |
| Chicago | Webster's. 2011. "alto-cumulus" http://smartdefine.org/alto-cumulus/definitions/1972811 (accessed September 21, 2026). |
| Harvard | Webster's 2011, alto-cumulus, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/alto-cumulus/definitions/1972811>. |
| MLA | Webster's. "alto-cumulus" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/alto-cumulus/definitions/1972811> |