"faire régime" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "faire régime",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "to be on a diet"
      ],
      "id": "en-faire_régime-fr-verb-Qeq6dDdY",
      "links": [
        [
          "diet",
          "diet"
        ]
      ],
      "related": [
        {
          "word": "faire maigre"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɛʁ ʁe.ʒim/"
    }
  ],
  "word": "faire régime"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "faire régime",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "word": "faire maigre"
    }
  ],
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French verbs"
      ],
      "glosses": [
        "to be on a diet"
      ],
      "links": [
        [
          "diet",
          "diet"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɛʁ ʁe.ʒim/"
    }
  ],
  "word": "faire régime"
}