"мельком" meaning in Russian

{
  "forms": [
    {
      "form": "ме́льком",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mélʹkom",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ме́льком"
      },
      "expansion": "ме́льком • (mélʹkom)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Vision",
          "orig": "ru:Vision",
          "parents": [
            "Senses",
            "Perception",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "to catch a glimse (of)",
          "roman": "vídetʹ/uvídetʹ mélʹkom",
          "text": "ви́деть/уви́деть ме́льком",
          "type": "example"
        }
      ],
      "glosses": [
        "in passing, cursorily, perfunctorily, briefly"
      ],
      "id": "en-мельком-ru-adv-HLOOnOaX",
      "links": [
        [
          "in passing",
          "in passing"
        ],
        [
          "cursorily",
          "cursorily"
        ],
        [
          "perfunctorily",
          "perfunctorily"
        ],
        [
          "briefly",
          "briefly"
        ]
      ],
      "synonyms": [
        {
          "roman": "mélʹkom",
          "word": "ме́лькомъ — Pre-reform orthography (1918)"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈmʲelʲkəm]"
    },
    {
      "audio": "Ru-мельком.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a0/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a0/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg"
    },
    {
      "ipa": "[mʲɪlʲˈkom]"
    }
  ],
  "word": "мельком"
}

{
  "forms": [
    {
      "form": "ме́льком",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mélʹkom",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ме́льком"
      },
      "expansion": "ме́льком • (mélʹkom)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "Russian terms with usage examples",
        "ru:Vision"
      ],
      "examples": [
        {
          "english": "to catch a glimse (of)",
          "roman": "vídetʹ/uvídetʹ mélʹkom",
          "text": "ви́деть/уви́деть ме́льком",
          "type": "example"
        }
      ],
      "glosses": [
        "in passing, cursorily, perfunctorily, briefly"
      ],
      "links": [
        [
          "in passing",
          "in passing"
        ],
        [
          "cursorily",
          "cursorily"
        ],
        [
          "perfunctorily",
          "perfunctorily"
        ],
        [
          "briefly",
          "briefly"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈmʲelʲkəm]"
    },
    {
      "audio": "Ru-мельком.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a0/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a0/Ru-%D0%BC%D0%B5%D0%BB%D1%8C%D0%BA%D0%BE%D0%BC.ogg"
    },
    {
      "ipa": "[mʲɪlʲˈkom]"
    }
  ],
  "synonyms": [
    {
      "roman": "mélʹkom",
      "word": "ме́лькомъ — Pre-reform orthography (1918)"
    }
  ],
  "word": "мельком"
}