VERMIFORM
vermiform, worm-shaped
(adjective) resembling a worm; long and thin and cylindrical
Source: WordNet® 3.1
Etymology
Adjective
vermiform (comparative more vermiform, superlative most vermiform)
In the shape of a worm.
Source: Wiktionary
Ver"mi*form, a. Etym: [L. vermis a worm + -form.]
Definition: Resembling a worm in form or motions; vermicular; as, the
vermiform process of the cerebellum. Vermiform appendix (Anat.), a
slender blind process of the cæcum in man and some other animals; --
called also vermiform appendage, and vermiform process. Small solid
bodies, such as grape seeds or cherry stones, sometimes lodge in it,
causing serious, or even fatal, inflammation. See Illust. under
Digestion.
Source: Webster’s Unabridged Dictionary 1913 Edition