Wiktionary
a. 1 Preventing or countering worms. 2 Opposite to the usual movements or behaviour of a worm (in studies of predators and prey).
Usage examples of "antiworm".
He knew her intimately now—he'd been up scrambling like an ape in the high spars when they rerigged her, he'd swung an axe when they chopped down the forecastle structure and most of the railing, he'd sweated with saw and drill when they opened new ports for more cannon, and, for more hours than he could yet bear to remember, he'd sat in a sling halfway between the gunwale above and the sand or water below, and, foot by foot, chiseled charred seaweed and barnacles off her hull and dug out the teredo worms, and hammered into the wood little brass drogues, carved and chanted over by Davies' bocor to be powerful antiworm charms.