noun, plural ros·tel·la [ro-stel-uh]. /rɒˈstɛl ə/.
- a projecting part of the scolex in certain tapeworms.
- a part of the mouth in many insects, designed for sucking.
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Words nearby rostellum
Example sentences from the Web for rostellum
Asa Gray's observations on the rostellum of Gymnadenia are very imperfect, yet worth looking at.
One has a rostellum without hooks, like the tni of the vegetable-feeders, the other has hooks like those of the carnivora.Animal Parasites and Messmates|P. J. Van Beneden
I would give a good deal to know what the rostellum is, of which I have traced so many curious modifications.The Life and Letters of Charles Darwin, Volume II (of II)|Charles Darwin
I want to know whether anything beats in modification the rostellum of Catasetum.
So in other cases, but I have not completely traced (only seen) that going to the rostellum.