"مساء الخير" meaning in Arabic

{
  "forms": [
    {
      "form": "مَسَاء الخَيْر",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "masāʔ al-ḵayr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "مَسَاء الخَيْر"
      },
      "expansion": "مَسَاء الخَيْر • (masāʔ al-ḵayr)",
      "name": "ar-interj"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic phrasebook",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "good evening"
      ],
      "id": "en-مساء_الخير-ar-intj-GyOTsc03",
      "links": [
        [
          "good evening",
          "good evening"
        ]
      ],
      "related": [
        {
          "english": "the answer",
          "roman": "masāʔ an-nūr",
          "word": "مَسَاء النُّور"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ma.saːʔ al.xajr/"
    }
  ],
  "word": "مساء الخير"
}

{
  "forms": [
    {
      "form": "مَسَاء الخَيْر",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "masāʔ al-ḵayr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "مَسَاء الخَيْر"
      },
      "expansion": "مَسَاء الخَيْر • (masāʔ al-ḵayr)",
      "name": "ar-interj"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "intj",
  "related": [
    {
      "english": "the answer",
      "roman": "masāʔ an-nūr",
      "word": "مَسَاء النُّور"
    }
  ],
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic entries with language name categories using raw markup",
        "Arabic interjections",
        "Arabic lemmas",
        "Arabic multiword terms",
        "Arabic phrasebook",
        "Arabic phrases",
        "Arabic terms with IPA pronunciation"
      ],
      "glosses": [
        "good evening"
      ],
      "links": [
        [
          "good evening",
          "good evening"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ma.saːʔ al.xajr/"
    }
  ],
  "word": "مساء الخير"
}