[{"Bold_text": "noun", "List Items": ["Nautical.a central fore-and-aft structural member in the bottom of a hull, extending from the stem to the sternpost and having the floors or frames attached to it, usually at right angles: sometimes projecting from the bottom of the hull to provide stability.", "Literary.a ship or boat.", "a part corresponding to a ship's keel in some other structure, as in a dirigible balloon.", "Keel,Astronomy.the constellation Carina.", "Botany, Zoology.a longitudinal ridge, as on a leaf or bone; a carina.", "Also calledbrace mold·ing[breys, mohl-ding].Architecture.a projecting molding the profile of which consists of two ogees symmetrically disposed about an arris or fillet."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["to turn or upset so as to bring the wrong side or part uppermost."]}, {"Bold_text": "verb phrase", "List Items": ["to capsize or overturn.to fall as in a faint:Several cadets keeled over from the heat during the parade.", "to capsize or overturn.", "to fall as in a faint:Several cadets keeled over from the heat during the parade."]}, {"Bold_text": "noun", "List Items": ["keelboat .", "the amount of coal carried by one keelboat.", "a measure of coal equivalent to 21 long tons and 4 hundredweight (21.5 metric tons)."]}, {"Bold_text": "verb (used with object)", "List Items": ["to cool, especially by stirring."]}, {"Bold_text": "noun", "List Items": ["a red ocher stain used for marking sheep, lumber, etc.; ruddle ."]}]