||Vi*brac"u*lum (?), n.; pl. Vibracula (#). [NL., dim. from L. vibrare to vibrate.] (Zoöl.) 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.

||Vi*brac"u*lum (?), n.; pl. Vibracula (#). [NL., dim. from L. vibrare to vibrate.] (Zoöl.) 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.