"witness mark" meaning in English

{
  "forms": [
    {
      "form": "witness marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "witness mark (plural witness marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2001 March 27, National Transportation Safety Board, “1.16.3 Detail Examination and Tests of Standby Rudder Actuator Input Shaft and Bearing”, in Aircraft Accident Report: Uncontrolled Descent and Collision With Terrain, United Airlines Flight 585, Boeing 737-200, N999UA, 4 Miles South of Colorado Springs Municipal Airport, Colorado Springs, Colorado, March 3, 1991, archived from the original on 2022-05-08, page 64",
          "text": "During the examination, the bearing was reassembled into the actuator body so that the fire witness marks on the actuator surface and the bearing flange matched and the bearing was situated as close as possible to the actuator's housing surface. In this position, it was noted that an additional 30-degree rotation was required in order for the bearing flange to mate against the actuator boss.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scratch or similar mark on each portion of an assembly used to determine the previous position or location of its parts."
      ],
      "id": "en-witness_mark-en-noun-8p3MkCVw",
      "links": [
        [
          "scratch",
          "scratch"
        ],
        [
          "mark",
          "mark"
        ],
        [
          "assembly",
          "assembly"
        ],
        [
          "position",
          "position"
        ],
        [
          "location",
          "location"
        ]
      ]
    }
  ],
  "word": "witness mark"
}

{
  "forms": [
    {
      "form": "witness marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "witness mark (plural witness marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2001 March 27, National Transportation Safety Board, “1.16.3 Detail Examination and Tests of Standby Rudder Actuator Input Shaft and Bearing”, in Aircraft Accident Report: Uncontrolled Descent and Collision With Terrain, United Airlines Flight 585, Boeing 737-200, N999UA, 4 Miles South of Colorado Springs Municipal Airport, Colorado Springs, Colorado, March 3, 1991, archived from the original on 2022-05-08, page 64",
          "text": "During the examination, the bearing was reassembled into the actuator body so that the fire witness marks on the actuator surface and the bearing flange matched and the bearing was situated as close as possible to the actuator's housing surface. In this position, it was noted that an additional 30-degree rotation was required in order for the bearing flange to mate against the actuator boss.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scratch or similar mark on each portion of an assembly used to determine the previous position or location of its parts."
      ],
      "links": [
        [
          "scratch",
          "scratch"
        ],
        [
          "mark",
          "mark"
        ],
        [
          "assembly",
          "assembly"
        ],
        [
          "position",
          "position"
        ],
        [
          "location",
          "location"
        ]
      ]
    }
  ],
  "word": "witness mark"
}