"sterne tchégrava" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en français issus d’un mot en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Palmipèdes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De sterne et du russe чеграва, tchegrava."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Oiseaux en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Sterne caspienne."
      ],
      "id": "fr-sterne_tchégrava-fr-noun-e7ZUU4kq",
      "topics": [
        "ornithology"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "sterne tchégrava"
}

{
  "categories": [
    "Locutions nominales en français",
    "Mots en français issus d’un mot en russe",
    "Palmipèdes en français",
    "français"
  ],
  "etymology_texts": [
    "De sterne et du russe чеграва, tchegrava."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Oiseaux en français",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Sterne caspienne."
      ],
      "topics": [
        "ornithology"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "sterne tchégrava"
}