[{"Bold_text": "noun", "List Items": ["the state or quality of being thick .", "the measure of the smallest dimension of a solid figure:a board of two-inch thickness.", "the thick or body of something:the thickness of the leg.", "a layer, stratum, or ply:three thicknesses of cloth."]}, {"Bold_text": "verb (used with object)", "List Items": ["to bring (a piece, as a board) to a uniform thickness."]}]