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