(n.) A exterior covering, forming a false coat or appendage to a seed, as the loose, transparent bag inclosing the seed or the white water lily. The mace of the nutmeg is also an aril.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). arillus. Retrieved September 23, 2026, from http://smartdefine.org/arillus/definitions/1975793 |
| Chicago | Webster's. 2011. "arillus" http://smartdefine.org/arillus/definitions/1975793 (accessed September 23, 2026). |
| Harvard | Webster's 2011, arillus, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/arillus/definitions/1975793>. |
| MLA | Webster's. "arillus" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/arillus/definitions/1975793> |