[{"Bold_text": "noun", "List Items": ["a small cap, usually of metal, worn over the fingertip to protect it when pushing a needle through cloth in sewing.", "Mechanics.any of various similar devices or attachments.", "Nautical.a metal ring with a concave groove on the outside, used to line the outside of a ring of rope forming an eye.", "a sleeve of sheet metal passing through the wall of a chimney, for holding the end of a stovepipe or the like.", "a thimble-shaped printing element with raised characters on the exterior: used in a type of electronic typewriter or computer printerthim?ble?print?er."]}]