Definition of "undulates" []

• Third-person singular simple present indicative form of undulate. (verb)

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• "Counterparts are the long slug which "undulates" out of the orifice of Lee's right eye and writes on the wall in slime, and Doc Scranton's anus which moves around the street on several feet of intestine "like a blind worm.""
• "The marabou tail also undulates constantly, even while sitting still, which really triggers strikes."
• "The stacked wood, being undisturbed for the summer months, is a haunt of mice, and the stoat undulates over it, coming down headfirst like a nuthatch."