"chain latch" meaning in English

{
  "forms": [
    {
      "form": "chain latches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chain latch (plural chain latches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "attestations": [
        {
          "date": "from late 19ᵗʰ century",
          "references": []
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              225,
              236
            ]
          ],
          "ref": "1917, Austin Flint and Henry C. Thacher, A Manual of Physical Diagnosis, 7th edition, page 332:",
          "text": "[Mitral stenosis] is apparently due to the sudden tension on the edges of the mitral valve when, with ventricular diastole, it starts to open widely but cannot. It may well be compared to the opening of a door protected by a chain latch;",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              16,
              27
            ]
          ],
          "ref": "1958, Leon Uris, chapter 14, in Exodus, page 429:",
          "text": "Dov slipped the chain latch into place and opened the door a crack.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              67,
              78
            ]
          ],
          "ref": "2013, Bill Crider, chapter 16, in Compound Murder, page 176:",
          "text": "The door opened, but only a little bit. Harris didn’t take off the chain latch, and Rhodes could see only a bit of his face through the opening.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A door chain."
      ],
      "id": "en-chain_latch-en-noun-5SDeWd1k",
      "links": [
        [
          "door chain",
          "door chain"
        ]
      ]
    }
  ],
  "word": "chain latch"
}

{
  "forms": [
    {
      "form": "chain latches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chain latch (plural chain latches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "attestations": [
        {
          "date": "from late 19ᵗʰ century",
          "references": []
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              225,
              236
            ]
          ],
          "ref": "1917, Austin Flint and Henry C. Thacher, A Manual of Physical Diagnosis, 7th edition, page 332:",
          "text": "[Mitral stenosis] is apparently due to the sudden tension on the edges of the mitral valve when, with ventricular diastole, it starts to open widely but cannot. It may well be compared to the opening of a door protected by a chain latch;",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              16,
              27
            ]
          ],
          "ref": "1958, Leon Uris, chapter 14, in Exodus, page 429:",
          "text": "Dov slipped the chain latch into place and opened the door a crack.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              67,
              78
            ]
          ],
          "ref": "2013, Bill Crider, chapter 16, in Compound Murder, page 176:",
          "text": "The door opened, but only a little bit. Harris didn’t take off the chain latch, and Rhodes could see only a bit of his face through the opening.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A door chain."
      ],
      "links": [
        [
          "door chain",
          "door chain"
        ]
      ]
    }
  ],
  "word": "chain latch"
}