vibraculum

Here is the meaning of the word, vibraculum

This word is in the TWL06 Dictionary ₁₉
This word is in the SOWPODS Dictionary ₁₉

Vibraculum(n.) One of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. They are regarded as specially modified zooids, of nearly the same nature as Avicularia.