[{"Bold_text": "noun", "List Items": ["Ornithology.the vocal organ of birds, situated at or near the bifurcation of the trachea into the bronchi.", "(initial capital letter)Classical Mythology.a mountain nymph of Arcadia who was transformed, in order to protect her chastity from Pan, into the reed from which Pan then made the panpipe.", "a panpipe.", "a narrow corridor in an Egyptian tomb."]}]