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Webster 1913 Edition
Vibraculum
‖
Vi-brac′u-lum
,Noun.
pl.
Vibracula
(#)
. [NL., dim. from L.
vibrare
to vibrate.] (Zool.)
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.