"a ce" meaning in Polish

{
  "etymology_templates": [
    {
      "args": {
        "1": "pl"
      },
      "expansion": "Onomatopoeic",
      "name": "onom"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Near Masovian Polish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Polish animal commands",
          "parents": [
            "Animal commands",
            "Interjections",
            "Communication",
            "Lemmas",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish onomatopoeias",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "used to chase off horses"
      ],
      "id": "en-a_ce-pl-intj-G-BIgXCV",
      "links": [
        [
          "horse",
          "horse#English"
        ]
      ],
      "qualifier": "Near Masovian",
      "raw_glosses": [
        "(Near Masovian) used to chase off horses"
      ],
      "related": [
        {
          "word": "ceśka"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a‿ˈt͡sɛ/",
      "note": "Near Masovian"
    }
  ],
  "word": "a ce"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pl"
      },
      "expansion": "Onomatopoeic",
      "name": "onom"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "intj",
  "related": [
    {
      "word": "ceśka"
    }
  ],
  "senses": [
    {
      "categories": [
        "Near Masovian Polish",
        "Pages with 1 entry",
        "Pages with entries",
        "Polish animal commands",
        "Polish entries with incorrect language header",
        "Polish interjections",
        "Polish lemmas",
        "Polish multiword terms",
        "Polish onomatopoeias",
        "Polish terms with IPA pronunciation"
      ],
      "glosses": [
        "used to chase off horses"
      ],
      "links": [
        [
          "horse",
          "horse#English"
        ]
      ],
      "qualifier": "Near Masovian",
      "raw_glosses": [
        "(Near Masovian) used to chase off horses"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a‿ˈt͡sɛ/",
      "note": "Near Masovian"
    }
  ],
  "word": "a ce"
}