[{"Bold_text": "noun", "List Items": ["a horizontal timber, block, or the like serving as a foundation of a wall, house, etc.", "the horizontal piece or member beneath a window, door, or other opening.", "Geology.a tabular body of intrusive igneous rock, ordinarily between beds of sedimentary rocks or layers of volcanic ejecta."]}, {"Bold_text": "noun", "List Items": ["Mount,a mountain in E central California, in the Sierra Nevada Mountains. 14,153 feet (4,314 meters)."]}]