A Cyc-NL part-of-speech predicate (q.v.) and a specialization of Mass Number Generic. (Gerund WORD STRING) means that STRING is the gerund form of WORD. The regular gerund is formed from the infinitive verb form with an `ing' suffix. Verbs in the Cyc lexicon will have a Gerund entry only if they are irregular. Regular forms are generated by the morphology component.