"Woodruff key" meaning in English

{
  "etymology_text": "Developed by William N. Woodruff of Hartford, Connecticut.",
  "forms": [
    {
      "form": "Woodruff keys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Woodruff key (plural Woodruff keys)",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Engineering",
          "orig": "en:Engineering",
          "parents": [
            "Applied sciences",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A semicircular key that fits partly into a circular segment keyway, with the remainder fitting into a longitudinal slot keyway in the mating part."
      ],
      "id": "en-Woodruff_key-en-noun--qA1eMZF",
      "links": [
        [
          "engineering",
          "engineering#Noun"
        ]
      ],
      "raw_glosses": [
        "(engineering) A semicircular key that fits partly into a circular segment keyway, with the remainder fitting into a longitudinal slot keyway in the mating part."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "Woodruff key"
}

{
  "etymology_text": "Developed by William N. Woodruff of Hartford, Connecticut.",
  "forms": [
    {
      "form": "Woodruff keys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Woodruff key (plural Woodruff keys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Engineering"
      ],
      "glosses": [
        "A semicircular key that fits partly into a circular segment keyway, with the remainder fitting into a longitudinal slot keyway in the mating part."
      ],
      "links": [
        [
          "engineering",
          "engineering#Noun"
        ]
      ],
      "raw_glosses": [
        "(engineering) A semicircular key that fits partly into a circular segment keyway, with the remainder fitting into a longitudinal slot keyway in the mating part."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "Woodruff key"
}