What is "rostella"

Rostellum \Ros*tel"lum\, n.; pl. Rostella. [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.

n. (plural of rostellum English)

See rostellum