vermiform

adj. like a worm in shape or form

Vermiform is an adjective meaning worm-like. Assuming that the features of a worm-like animal include bilateral symmetry, leglessness and soft-bodies with a length greater than two or three times its breadth, there are 16 animal phyla which can be considered to consist solely of worms.See also: Vermiform appendix
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Adjective
1. resembling a worm; long and thin and cylindrical
(synonym) worm-shaped
(similar) formed

(a.)
Resembling a worm in form or motions; vermicular; as, the vermiform process of the cerebellum.
  

A small outpouching from the beginning of the large intestine. Formally called the vermiform appendix because it is wormlike.