"сек" meaning in Russian

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "секу́нда"
      },
      "expansion": "Abbreviation of секу́нда (sekúnda)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of секу́нда (sekúnda).",
  "forms": [
    {
      "form": "sek",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "f-in",
        "3": "-"
      },
      "expansion": "сек • (sek) f inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "sec, second"
      ],
      "id": "en-сек-ru-noun-5Mt7-AAh",
      "links": [
        [
          "sec",
          "sec"
        ],
        [
          "second",
          "second"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈkundə]"
    }
  ],
  "word": "сек"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "sek",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form"
      },
      "expansion": "сек • (sek)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "26 74",
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 82",
          "kind": "other",
          "langcode": "ru",
          "name": "Units of measure",
          "orig": "ru:Units of measure",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "sečʹ",
          "word": "сечь"
        }
      ],
      "glosses": [
        "masculine singular past indicative imperfective of сечь (sečʹ)"
      ],
      "id": "en-сек-ru-verb-bpVtM0vh",
      "links": [
        [
          "сечь",
          "сечь#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "imperfective",
        "indicative",
        "masculine",
        "past",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈkundə]"
    },
    {
      "ipa": "[sʲek]"
    },
    {
      "ipa": "[sʲɪˈkundə]"
    }
  ],
  "word": "сек"
}

{
  "categories": [
    "Pages with 3 entries",
    "Pages with entries",
    "Russian 1-syllable words",
    "Russian 3-syllable words",
    "Russian abbreviations",
    "Russian entries with incorrect language header",
    "Russian feminine nouns",
    "Russian inanimate nouns",
    "Russian indeclinable nouns",
    "Russian lemmas",
    "Russian non-lemma forms",
    "Russian nouns",
    "Russian terms with IPA pronunciation",
    "Russian terms with redundant head parameter",
    "Russian verb forms",
    "ru:Units of measure"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "секу́нда"
      },
      "expansion": "Abbreviation of секу́нда (sekúnda)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of секу́нда (sekúnda).",
  "forms": [
    {
      "form": "sek",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "f-in",
        "3": "-"
      },
      "expansion": "сек • (sek) f inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "sec, second"
      ],
      "links": [
        [
          "sec",
          "sec"
        ],
        [
          "second",
          "second"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈkundə]"
    }
  ],
  "word": "сек"
}

{
  "categories": [
    "Pages with 3 entries",
    "Pages with entries",
    "Russian 1-syllable words",
    "Russian 3-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation",
    "Russian verb forms",
    "ru:Units of measure"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "sek",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form"
      },
      "expansion": "сек • (sek)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "extra": "sečʹ",
          "word": "сечь"
        }
      ],
      "glosses": [
        "masculine singular past indicative imperfective of сечь (sečʹ)"
      ],
      "links": [
        [
          "сечь",
          "сечь#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "imperfective",
        "indicative",
        "masculine",
        "past",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪˈkundə]"
    },
    {
      "ipa": "[sʲek]"
    },
    {
      "ipa": "[sʲɪˈkundə]"
    }
  ],
  "word": "сек"
}