[{"Bold_text": "noun", "List Items": ["Architecture, Building Trades.either of the vertical sides of a doorway, arch, window, or other opening.either of two stones, timbers, etc., forming the sidepieces for the frame of an opening.", "either of the vertical sides of a doorway, arch, window, or other opening.", "either of two stones, timbers, etc., forming the sidepieces for the frame of an opening.", "Armor. greave ."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["an obsolete variant of jam1 ."]}]