[{"Bold_text": "adjective", "List Items": ["located nearer the longitudinal axis or center, as of an airplane:the inboard section of a wing.", "located inside a hull or aircraft:a motorboat with an inboard engine.", "(of a motorboat) having the motor inboard."]}, {"Bold_text": "adverb", "List Items": ["inside or toward the longitudinal axis or center of a hull, aircraft, machine, etc.Compare outboard(def4) outboard(def4)."]}, {"Bold_text": "noun", "List Items": ["an inboard motor.", "a boat equipped with an inboard motor."]}]