Word Study
vibraculum
CIDE DICTIONARY
vibraculum, n. [NL., dim. from L. vibrare to vibrate.].
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. [1913 Webster]
OXFORD DICTIONARY
vibraculum, n. (pl. vibracula) Zool. a whiplike structure of bryozoans used to bring food within reach by lashing movements.
Derivative
vibracular adj.
Etymology
mod.L (as VIBRATE)
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