"metri gratia" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "metrī grātiā"
      },
      "expansion": "Latin metrī grātiā",
      "name": "bor"
    }
  ],
  "etymology_text": "From Latin metrī grātiā.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "nolinkhead": "1"
      },
      "expansion": "metri gratia (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Poetry",
          "orig": "en:Poetry",
          "parents": [
            "Art",
            "Literature",
            "Culture",
            "Entertainment",
            "Writing",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "for the sake of the meter."
      ],
      "id": "en-metri_gratia-en-adv-jDmoByyR",
      "links": [
        [
          "poetry",
          "poetry"
        ],
        [
          "meter",
          "meter"
        ]
      ],
      "raw_glosses": [
        "(poetry) for the sake of the meter."
      ],
      "synonyms": [
        {
          "word": "metri causa"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "communications",
        "journalism",
        "literature",
        "media",
        "poetry",
        "publishing",
        "writing"
      ]
    }
  ],
  "word": "metri gratia"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "metrī grātiā"
      },
      "expansion": "Latin metrī grātiā",
      "name": "bor"
    }
  ],
  "etymology_text": "From Latin metrī grātiā.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "nolinkhead": "1"
      },
      "expansion": "metri gratia (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms borrowed from Latin",
        "English terms derived from Latin",
        "English uncomparable adverbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Poetry"
      ],
      "glosses": [
        "for the sake of the meter."
      ],
      "links": [
        [
          "poetry",
          "poetry"
        ],
        [
          "meter",
          "meter"
        ]
      ],
      "raw_glosses": [
        "(poetry) for the sake of the meter."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "communications",
        "journalism",
        "literature",
        "media",
        "poetry",
        "publishing",
        "writing"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "metri causa"
    }
  ],
  "word": "metri gratia"
}