"a chairde" meaning in Irish

{
  "etymology_text": "Literally ‘O friends’.",
  "forms": [
    {
      "form": "a chara",
      "tags": [
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "phrase",
        "3": "singular",
        "4": "a chara"
      },
      "expansion": "a chairde (singular a chara)",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Dear Patrick and Mary,...",
          "text": "A Phádraig agus a Mháire, a chairde,...",
          "type": "example"
        },
        {
          "english": "Dear Sirs/Mesdames,...",
          "text": "A chairde,...",
          "type": "example"
        }
      ],
      "glosses": [
        "dear (formal or informal way of addressing the recipients in a letter’s opening line)"
      ],
      "id": "en-a_chairde-ga-phrase-VEO0i98Q",
      "links": [
        [
          "dear",
          "dear"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ə ˈxɑːɾˠdʲə/",
      "tags": [
        "Connacht",
        "Munster"
      ]
    },
    {
      "ipa": "/ə ˈxæːɾˠdʲə/",
      "tags": [
        "Ulster"
      ]
    }
  ],
  "word": "a chairde"
}

{
  "etymology_text": "Literally ‘O friends’.",
  "forms": [
    {
      "form": "a chara",
      "tags": [
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "phrase",
        "3": "singular",
        "4": "a chara"
      },
      "expansion": "a chairde (singular a chara)",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish multiword terms",
        "Irish phrases",
        "Irish terms with IPA pronunciation",
        "Irish terms with usage examples"
      ],
      "examples": [
        {
          "english": "Dear Patrick and Mary,...",
          "text": "A Phádraig agus a Mháire, a chairde,...",
          "type": "example"
        },
        {
          "english": "Dear Sirs/Mesdames,...",
          "text": "A chairde,...",
          "type": "example"
        }
      ],
      "glosses": [
        "dear (formal or informal way of addressing the recipients in a letter’s opening line)"
      ],
      "links": [
        [
          "dear",
          "dear"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ə ˈxɑːɾˠdʲə/",
      "tags": [
        "Connacht",
        "Munster"
      ]
    },
    {
      "ipa": "/ə ˈxæːɾˠdʲə/",
      "tags": [
        "Ulster"
      ]
    }
  ],
  "word": "a chairde"
}