[{"Bold_text": "noun", "List Items": ["a relatively narrow, projecting part, as a horizontal, shelflike projection on a wall or a raised edge on a tray.", "a more or less flat shelf of rock protruding from a cliff or slope.", "a reef, ridge, or line of rocks in the sea or other body of water.", "Mining.a layer or mass of rock underground.a lode or vein.", "a layer or mass of rock underground.", "a lode or vein.", "Carpentry.a member similar to but larger than a cleat.", "Shipbuilding.a minor transverse deck beam running between regular deck beams to form part of a coaming."]}, {"Bold_text": "verb (used with object)", "List Items": ["to assemble (a door or the like) with ledges."]}]