"/a" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "affectionate",
        "nocap": "1"
      },
      "expansion": "abbreviation of affectionate",
      "name": "abbrev"
    }
  ],
  "etymology_text": "From / + abbreviation of affectionate, using the tone indicator format of slash-prefixing set by the earlier /s (“sarcasm”).",
  "head_templates": [
    {
      "args": {
        "1": "sym"
      },
      "expansion": "/a",
      "name": "en-head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English symbols",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English tone indicators",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Denotes that the preceding statement was meant affectionately."
      ],
      "id": "en-/a-en-symbol-l8u-sr7Q",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "tone indicator",
          "tone indicator"
        ],
        [
          "affectionately",
          "affectionately#English"
        ]
      ],
      "qualifier": "tone indicator",
      "raw_glosses": [
        "(Internet slang, tone indicator) Denotes that the preceding statement was meant affectionately."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "/a"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "affectionate",
        "nocap": "1"
      },
      "expansion": "abbreviation of affectionate",
      "name": "abbrev"
    }
  ],
  "etymology_text": "From / + abbreviation of affectionate, using the tone indicator format of slash-prefixing set by the earlier /s (“sarcasm”).",
  "head_templates": [
    {
      "args": {
        "1": "sym"
      },
      "expansion": "/a",
      "name": "en-head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English internet slang",
        "English lemmas",
        "English symbols",
        "English terms spelled with /",
        "English terms with non-redundant non-automated sortkeys",
        "English tone indicators",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Denotes that the preceding statement was meant affectionately."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "tone indicator",
          "tone indicator"
        ],
        [
          "affectionately",
          "affectionately#English"
        ]
      ],
      "qualifier": "tone indicator",
      "raw_glosses": [
        "(Internet slang, tone indicator) Denotes that the preceding statement was meant affectionately."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "/a"
}