(n.) A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets or of the operculum of many mosses; the rostellum on the head of a tapeworm.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). rostellum. Retrieved September 20, 2026, from http://smartdefine.org/rostellum/definitions/2056627 |
| Chicago | Webster's. 2011. "rostellum" http://smartdefine.org/rostellum/definitions/2056627 (accessed September 20, 2026). |
| Harvard | Webster's 2011, rostellum, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/rostellum/definitions/2056627>. |
| MLA | Webster's. "rostellum" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/rostellum/definitions/2056627> |