rostellum

A small beaklike part, such as a projection on the stigma of an orchid or the hooked projection on the head of a tapeworm.

In botany: Any small beak-shaped process, as in the stigma of many violets; specifically, a modification of the stigma in many orchids, which bears the glands to which the pollen-masses are attached.

A Linnean term for the caulicle or radicle.

In zoology, the fore part of the head of tapeworms or other cestoids, bearing spines or hooklets which are said to be rostellar. See cut under Cestoidea.

[capitalized] [NL.] In conchology, same as Rostellaria.

The combined mouth-parts of the true lice, of the family Pediculidæ.

A small beaklike process or extension of some part; a small rostrum

A small beak-like process or extension; a small rostrum.