"élision" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "elisio",
        "4": "elisiōnem"
      },
      "expansion": "Borrowed from Latin elisiōnem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin elisiōnem.",
  "forms": [
    {
      "form": "élisions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "élision f (plural élisions)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "elision (the omission of a letter or syllable)"
      ],
      "id": "en-élision-fr-noun-z~v4gUwC",
      "links": [
        [
          "elision",
          "elision"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "fr:élision"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.li.zjɔ̃/"
    }
  ],
  "word": "élision"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "elisio",
        "4": "elisiōnem"
      },
      "expansion": "Borrowed from Latin elisiōnem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin elisiōnem.",
  "forms": [
    {
      "form": "élisions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "élision f (plural élisions)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French nouns",
        "French terms borrowed from Latin",
        "French terms derived from Latin",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "elision (the omission of a letter or syllable)"
      ],
      "links": [
        [
          "elision",
          "elision"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "fr:élision"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.li.zjɔ̃/"
    }
  ],
  "word": "élision"
}