[{"Bold_text": "noun", "List Items": ["the young of a carnivore, as a dog, bear, lion, seal, etc.", "a youth, especially an impudent or despised one.Synonyms: whippersnapper , urchin , brat", "Machinery.any of a series of longitudinal projections or ridges on the barrel of a capstan, windlass, etc.any of the teeth of a sprocket wheel.", "any of a series of longitudinal projections or ridges on the barrel of a capstan, windlass, etc.", "any of the teeth of a sprocket wheel."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["(of a female dog, lion, etc.) to give birth to (young)."]}]