[{"Bold_text": "noun", "List Items": ["an upright stone slab or pillar bearing an inscription or design and serving as a monument, marker, or the like.", "Architecture.a prepared surface on the face of a building, a rock, etc., bearing an inscription or the like.", "(in ancient Rome) a burial stone.", "Botany.the central cylinder or cylinders of vascular and related tissue in the stem, root, petiole, leaf, etc., of the higher plants."]}]