"foul pole" meaning in English

{
  "forms": [
    {
      "form": "foul poles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "foul pole (plural foul poles)",
      "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"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Baseball",
          "orig": "en:Baseball",
          "parents": [
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "One of the two poles marking the area inside which a fair ball may be hit. It stands above a foul line."
      ],
      "id": "en-foul_pole-en-noun-2THmbaiZ",
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "pole",
          "pole"
        ],
        [
          "fair ball",
          "fair ball"
        ],
        [
          "foul line",
          "foul line"
        ]
      ],
      "raw_glosses": [
        "(baseball) One of the two poles marking the area inside which a fair ball may be hit. It stands above a foul line."
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "foul pole"
}

{
  "forms": [
    {
      "form": "foul poles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "foul pole (plural foul poles)",
      "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",
        "en:Baseball"
      ],
      "glosses": [
        "One of the two poles marking the area inside which a fair ball may be hit. It stands above a foul line."
      ],
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "pole",
          "pole"
        ],
        [
          "fair ball",
          "fair ball"
        ],
        [
          "foul line",
          "foul line"
        ]
      ],
      "raw_glosses": [
        "(baseball) One of the two poles marking the area inside which a fair ball may be hit. It stands above a foul line."
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "foul pole"
}