[{"Bold_text": "adjective", "List Items": ["of, characteristic of, or resembling a serpent ,as in form or movement.", "having a winding course, as a road; sinuous .Synonyms: tortuous , twisting", "shrewd, wily, or cunning."]}, {"Bold_text": "noun", "List Items": ["a device on a harquebus lock for holding the match.", "a cannon having any of various bore sizes, used from the 15th to the 17th century.", "Skating.a school figure made by skating two figure eights that share one loop."]}, {"Bold_text": "verb (used without object)", "List Items": ["to make or follow a winding course:The stream serpentines through the valley."]}, {"Bold_text": "noun", "List Items": ["a common mineral, hydrous magnesium silicate, H2Mg3Si2O2, usually oily green and sometimes spotted, occurring in many varieties: used for architectural and decorative purposes."]}]