"pay back in someone's own coin" meaning in English

{
  "forms": [
    {
      "form": "pays back in someone's own coin",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "paying back in someone's own coin",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "paid back in someone's own coin",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "paid back in someone's own coin",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pay<,,paid> back in someone's own coin"
      },
      "expansion": "pay back in someone's own coin (third-person singular simple present pays back in someone's own coin, present participle paying back in someone's own coin, simple past and past participle paid back in someone's own coin)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Esperanto translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "To give tit for tat."
      ],
      "id": "en-pay_back_in_someone's_own_coin-en-verb-5fAho3SD",
      "links": [
        [
          "tit for tat",
          "tit for tat"
        ]
      ],
      "raw_glosses": [
        "(figuratively) To give tit for tat."
      ],
      "synonyms": [
        {
          "word": "pay back in kind"
        }
      ],
      "tags": [
        "figuratively"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhēnfēngxiāngduì",
          "sense": "give tit for tat",
          "word": "針鋒相對 /针锋相对"
        },
        {
          "code": "eo",
          "lang": "Esperanto",
          "sense": "give tit for tat",
          "word": "repagi per la sama monero"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "give tit for tat",
          "word": "maksaa samalla mitalla"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "give tit for tat",
          "word": "rendre la monnaie de sa pièce"
        }
      ]
    }
  ],
  "word": "pay back in someone's own coin"
}

{
  "forms": [
    {
      "form": "pays back in someone's own coin",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "paying back in someone's own coin",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "paid back in someone's own coin",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "paid back in someone's own coin",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pay<,,paid> back in someone's own coin"
      },
      "expansion": "pay back in someone's own coin (third-person singular simple present pays back in someone's own coin, present participle paying back in someone's own coin, simple past and past participle paid back in someone's own coin)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Esperanto translations",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Mandarin translations"
      ],
      "glosses": [
        "To give tit for tat."
      ],
      "links": [
        [
          "tit for tat",
          "tit for tat"
        ]
      ],
      "raw_glosses": [
        "(figuratively) To give tit for tat."
      ],
      "synonyms": [
        {
          "word": "pay back in kind"
        }
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhēnfēngxiāngduì",
      "sense": "give tit for tat",
      "word": "針鋒相對 /针锋相对"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "give tit for tat",
      "word": "repagi per la sama monero"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "give tit for tat",
      "word": "maksaa samalla mitalla"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "give tit for tat",
      "word": "rendre la monnaie de sa pièce"
    }
  ],
  "word": "pay back in someone's own coin"
}