Word Study
rostellum
CIDE DICTIONARY
rostellum, n. [L. See Rostel.].
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. [1913 Webster]
For further exploring for "rostellum" in Webster Dictionary Online
