"кусать" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes de type 1a en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes imperfectifs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes transitifs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "morceau",
      "word": "кус"
    }
  ],
  "etymology_texts": [
    "Du vieux slave кѫсати, kǫsati qui donne aussi kousat en tchèque, kąsać en polonais."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "verb",
  "pos_id": "ru-verb-1",
  "pos_title": "Verbe",
  "raw_tags": [
    "кусать kusať \\kʊˈsatʲ\\ imperfectif de classe 1a transitif (voir la conjugaison) / укусить, покусать perfectif"
  ],
  "senses": [
    {
      "examples": [
        {
          "text": "Kусать себе локти.",
          "translation": "S’en mordre les doigts."
        }
      ],
      "glosses": [
        "Mordre."
      ],
      "id": "fr-кусать-ru-verb-~uk0t19R"
    }
  ],
  "word": "кусать"
}

{
  "categories": [
    "Lemmes en russe",
    "Verbes de type 1a en russe",
    "Verbes en russe",
    "Verbes imperfectifs en russe",
    "Verbes transitifs en russe",
    "russe"
  ],
  "derived": [
    {
      "translation": "morceau",
      "word": "кус"
    }
  ],
  "etymology_texts": [
    "Du vieux slave кѫсати, kǫsati qui donne aussi kousat en tchèque, kąsać en polonais."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "verb",
  "pos_id": "ru-verb-1",
  "pos_title": "Verbe",
  "raw_tags": [
    "кусать kusať \\kʊˈsatʲ\\ imperfectif de classe 1a transitif (voir la conjugaison) / укусить, покусать perfectif"
  ],
  "senses": [
    {
      "examples": [
        {
          "text": "Kусать себе локти.",
          "translation": "S’en mordre les doigts."
        }
      ],
      "glosses": [
        "Mordre."
      ]
    }
  ],
  "word": "кусать"
}