"tréma" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "τρῆμα"
      },
      "expansion": "Borrowed from Ancient Greek τρῆμα (trêma)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek τρῆμα (trêma).",
  "forms": [
    {
      "form": "trémas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "tréma m (plural trémas)",
      "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 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Orthography",
          "orig": "fr:Orthography",
          "parents": [
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a trema, a diaeresis mark ( ¨ )"
      ],
      "id": "en-tréma-fr-noun-x7DJjuxo",
      "links": [
        [
          "trema",
          "trema"
        ],
        [
          "diaeresis",
          "diaeresis"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʁe.ma/"
    },
    {
      "audio": "LL-Q150 (fra)-Pamputt-tréma.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav.ogg"
    }
  ],
  "word": "tréma"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grc",
        "3": "τρῆμα"
      },
      "expansion": "Borrowed from Ancient Greek τρῆμα (trêma)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek τρῆμα (trêma).",
  "forms": [
    {
      "form": "trémas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "tréma m (plural trémas)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 2-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French terms borrowed from Ancient Greek",
        "French terms derived from Ancient Greek",
        "French terms with IPA pronunciation",
        "Pages with 3 entries",
        "Pages with entries",
        "fr:Orthography"
      ],
      "glosses": [
        "a trema, a diaeresis mark ( ¨ )"
      ],
      "links": [
        [
          "trema",
          "trema"
        ],
        [
          "diaeresis",
          "diaeresis"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʁe.ma/"
    },
    {
      "audio": "LL-Q150 (fra)-Pamputt-tréma.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav/LL-Q150_%28fra%29-Pamputt-tr%C3%A9ma.wav.ogg"
    }
  ],
  "word": "tréma"
}