"second shift" meaning in English

{
  "forms": [
    {
      "form": "second shifts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "second shift (plural second shifts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A regularly scheduled period of work, being the second one in the standard working day of any particular company: usually in the afternoon through evening; often the second of three (with 24/3 = 8 hours long), and often from 4:00 p.m. to midnight; sometimes the second of two, and sometimes with other time values."
      ],
      "id": "en-second_shift-en-noun-s2iM8iTm",
      "links": [
        [
          "working day",
          "working day"
        ]
      ],
      "related": [
        {
          "_dis1": "100 0",
          "word": "shiftwork"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "38 62",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A group of workers who work during this time slot."
      ],
      "id": "en-second_shift-en-noun-rv8YtkD7",
      "links": [
        [
          "worker",
          "worker"
        ],
        [
          "time slot",
          "time slot"
        ]
      ]
    }
  ],
  "word": "second shift"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "second shifts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "second shift (plural second shifts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "shiftwork"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A regularly scheduled period of work, being the second one in the standard working day of any particular company: usually in the afternoon through evening; often the second of three (with 24/3 = 8 hours long), and often from 4:00 p.m. to midnight; sometimes the second of two, and sometimes with other time values."
      ],
      "links": [
        [
          "working day",
          "working day"
        ]
      ]
    },
    {
      "glosses": [
        "A group of workers who work during this time slot."
      ],
      "links": [
        [
          "worker",
          "worker"
        ],
        [
          "time slot",
          "time slot"
        ]
      ]
    }
  ],
  "word": "second shift"
}