"cap'in" meaning in English

{
  "forms": [
    {
      "form": "cap'ins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cap'in (plural cap'ins)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "captain"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pronunciation spellings",
          "parents": [
            "Pronunciation spellings",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1924, The Fighting Coward",
          "text": "\"That's Cap'in Blackie! The notorious killah!\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Pronunciation spelling of captain."
      ],
      "id": "en-cap'in-en-noun-d5tFUJRs",
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "captain",
          "captain#English"
        ]
      ],
      "related": [
        {
          "word": "cap'n"
        }
      ],
      "tags": [
        "alt-of",
        "pronunciation-spelling"
      ]
    }
  ],
  "word": "cap'in"
}

{
  "forms": [
    {
      "form": "cap'ins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cap'in (plural cap'ins)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "cap'n"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "captain"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pronunciation spellings",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1924, The Fighting Coward",
          "text": "\"That's Cap'in Blackie! The notorious killah!\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Pronunciation spelling of captain."
      ],
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "captain",
          "captain#English"
        ]
      ],
      "tags": [
        "alt-of",
        "pronunciation-spelling"
      ]
    }
  ],
  "word": "cap'in"
}