Collins COBUILD Advanced Learner's English Dictionary - retool

(retools, retooling, retooled) If the machines in a factory or the items of equipment used by a firm are retooled, they are replaced or changed so that they can do new tasks. Each time the product changes, the machines have to be retooled. VERB: be V-ed, also V n, V • retooling Retooling, or recasting new toy moulds, is a slow and expensive process. N-UNCOUNT