"Duchenne smile" meaning in English

{
  "etymology_text": "Named after the French physician Guillaume Duchenne de Boulogne (1806–1875) who identified it.",
  "forms": [
    {
      "form": "Duchenne smiles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Duchenne smile (plural Duchenne smiles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "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"
        }
      ],
      "glosses": [
        "A smile involving contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi (which raises the cheeks and forms crow's feet around the eyes)."
      ],
      "id": "en-Duchenne_smile-en-noun-CX2p8Yio",
      "links": [
        [
          "smile",
          "smile"
        ],
        [
          "contraction",
          "contraction"
        ],
        [
          "zygomatic",
          "zygomatic"
        ],
        [
          "orbicularis oculi",
          "orbicularis oculi"
        ],
        [
          "crow's feet",
          "crow's feet"
        ]
      ],
      "wikipedia": [
        "Duchenne smile",
        "Guillaume Duchenne de Boulogne"
      ]
    }
  ],
  "word": "Duchenne smile"
}

{
  "etymology_text": "Named after the French physician Guillaume Duchenne de Boulogne (1806–1875) who identified it.",
  "forms": [
    {
      "form": "Duchenne smiles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Duchenne smile (plural Duchenne smiles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A smile involving contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi (which raises the cheeks and forms crow's feet around the eyes)."
      ],
      "links": [
        [
          "smile",
          "smile"
        ],
        [
          "contraction",
          "contraction"
        ],
        [
          "zygomatic",
          "zygomatic"
        ],
        [
          "orbicularis oculi",
          "orbicularis oculi"
        ],
        [
          "crow's feet",
          "crow's feet"
        ]
      ],
      "wikipedia": [
        "Duchenne smile",
        "Guillaume Duchenne de Boulogne"
      ]
    }
  ],
  "word": "Duchenne smile"
}