[{"Bold_text": "noun", "List Items": ["Machinery.any of various rings or eyelets of metal or the like.an insulated washer of rubber or plastic, inserted in a hole in a metal part to prevent grounding of a wire passing through the hole.", "any of various rings or eyelets of metal or the like.", "an insulated washer of rubber or plastic, inserted in a hole in a metal part to prevent grounding of a wire passing through the hole.", "Nautical.a ring or strop of fiber or wire; becket.a ring having a thickness of three strands, made by forming a loop of a single strand, then laying the ends around the loop.a ring of fiber used as a seal or gasket, as under the head of a bolt.", "a ring or strop of fiber or wire; becket.", "a ring having a thickness of three strands, made by forming a loop of a single strand, then laying the ends around the loop.", "a ring of fiber used as a seal or gasket, as under the head of a bolt.", "a washer or packing for sealing joints between sections of pipe.", "Military.a stiff ring of rubber or metal inside the top of a service cap, designed to keep the top of the cap stretched flat.", "a metal-bound eyelet in cloth, sometimes used decoratively, as on a garment."]}, {"Bold_text": "verb (used with object)", "List Items": ["to fasten with a grommet."]}]