vermiculation UK /vəmɪkjʊˈleɪʃ(ə)n/US /vɚˌmɪkjuˈleɪʃ(ə)n/ noun4 •The state of being infested or consumed by worms.The sermon rehearses [John] Donne's phobic obsession with putrefaction, vermiculation, dissolution, and dispersal. — 2007 •A pattern of irregular wavy lines resembling worms or their casts or tracks, found on the plumage of birds, used to decorate artworks and buildings, etc. •(old-fashioned) Peristalsis (“wave-like contraction of the digestive tract, resembling the movement of a worm”). •(no longer used, rare) The process of being turned into a worm. formsvermiculations