[{"Bold_text": "noun", "List Items": ["a metal or plastic piece at the end of an arrow, having a notch for the bowstring.", "a notch or groove at the end of an arrow into which the bowstring fits.", "a notch or groove at each end of a bow, to hold the bowstring in place.", "Nautical. throat(def6a) throat(def6a)."]}, {"Bold_text": "verb (used with object)", "List Items": ["to furnish with a nock.", "to adjust (the arrow) to the bowstring, in readiness to shoot."]}]