a. Zool. [f. mod.L. Veretillum + -(I)FORM.] Having the form of a member of Veretillum, the typical genus of Veretillidæ, a family of pennatuloid polyps.

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1838.  Penny Cycl., XII. 270/2. The ordinary or Veretilliform Holothuriæ.

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1891.  in Cent. Dict.

3