"estrenarse" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "verb form"
      },
      "expansion": "estrenarse",
      "name": "head"
    }
  ],
  "hyphenation": [
    "es‧tre‧nar‧se"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "estrenar"
        }
      ],
      "glosses": [
        "infinitive of estrenar combined with se"
      ],
      "id": "en-estrenarse-es-verb-iPnldqxQ",
      "links": [
        [
          "estrenar",
          "estrenar#Spanish"
        ],
        [
          "se",
          "se#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "infinitive",
        "reflexive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/estɾeˈnaɾse/"
    },
    {
      "ipa": "[es.t̪ɾeˈnaɾ.se]"
    },
    {
      "rhymes": "-aɾse"
    }
  ],
  "word": "estrenarse"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "verb form"
      },
      "expansion": "estrenarse",
      "name": "head"
    }
  ],
  "hyphenation": [
    "es‧tre‧nar‧se"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/aɾse",
        "Rhymes:Spanish/aɾse/4 syllables",
        "Spanish 4-syllable words",
        "Spanish entries with incorrect language header",
        "Spanish non-lemma forms",
        "Spanish terms with IPA pronunciation",
        "Spanish verb forms"
      ],
      "form_of": [
        {
          "word": "estrenar"
        }
      ],
      "glosses": [
        "infinitive of estrenar combined with se"
      ],
      "links": [
        [
          "estrenar",
          "estrenar#Spanish"
        ],
        [
          "se",
          "se#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "infinitive",
        "reflexive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/estɾeˈnaɾse/"
    },
    {
      "ipa": "[es.t̪ɾeˈnaɾ.se]"
    },
    {
      "rhymes": "-aɾse"
    }
  ],
  "word": "estrenarse"
}