[{"Bold_text": "adjective", "List Items": ["of or relating to longitude length:longitudinal measurement.", "extending in the direction of the length of a thing; running lengthwise:a thin, longitudinal stripe.", "Zoology.pertaining to or extending along the long axis of the body, or the direction from front to back, or head to tail.", "pertaining to a research design or survey in which the same subjects are observed repeatedly over a period of time."]}, {"Bold_text": "noun", "List Items": ["a longitudinal framing longitudinal framingmember, as in the hull of a ship."]}]