"agency shop" meaning in English

{
  "forms": [
    {
      "form": "agency shops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "agency shop (plural agency shops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "sense": "place of employment in which union bargains for and receives dues even those not in the union",
          "word": "closed shop"
        },
        {
          "sense": "place of employment in which union bargains for and receives dues even those not in the union",
          "word": "open shop"
        },
        {
          "sense": "place of employment in which union bargains for and receives dues even those not in the union",
          "word": "union shop"
        }
      ],
      "glosses": [
        "A place of employment in which a union receives dues or the equivalent for all employees excluding management, and bargains for all such employees whether or not they are members of the union."
      ],
      "id": "en-agency_shop-en-noun-J7e~OoVZ"
    }
  ],
  "word": "agency shop"
}

{
  "coordinate_terms": [
    {
      "sense": "place of employment in which union bargains for and receives dues even those not in the union",
      "word": "closed shop"
    },
    {
      "sense": "place of employment in which union bargains for and receives dues even those not in the union",
      "word": "open shop"
    },
    {
      "sense": "place of employment in which union bargains for and receives dues even those not in the union",
      "word": "union shop"
    }
  ],
  "forms": [
    {
      "form": "agency shops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "agency shop (plural agency shops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A place of employment in which a union receives dues or the equivalent for all employees excluding management, and bargains for all such employees whether or not they are members of the union."
      ]
    }
  ],
  "word": "agency shop"
}