"mersister" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mer",
        "3": "sister"
      },
      "expansion": "mer- + sister",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mer- + sister.",
  "forms": [
    {
      "form": "mersisters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mersister (plural mersisters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with mer-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fantasy",
          "orig": "en:Fantasy",
          "parents": [
            "Fiction",
            "Speculative fiction",
            "Artistic works",
            "Genres",
            "Art",
            "Entertainment",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Merpeople",
          "orig": "en:Merpeople",
          "parents": [
            "Mythological creatures",
            "Fantasy",
            "Mythology",
            "Fiction",
            "Speculative fiction",
            "Culture",
            "Artistic works",
            "Genres",
            "Society",
            "Art",
            "Entertainment",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009, Thomas S. Hischak, Mark A. Robinson, The Disney Song Encyclopedia, The Scarecrow Press, →ISBN, page 40:",
          "text": "In the 2008 Broadway version of The Little Mermaid, the song, by Alan Menken (music) and Howard Ashman (lyric), was also performed by the mermaids (or mersisters).",
          "type": "quote"
        },
        {
          "ref": "2012, Robert E. Thornsberry, The Accidental Mermaid, AuthorHouse, →ISBN, page 206:",
          "text": "Remember, these are the people who kidnapped us and were going to cut out mine^([sic]) and my mersisters' vocal cords!",
          "type": "quote"
        },
        {
          "ref": "2013, Catherine Hapka, Mermaids in the Backyard, Random House, →ISBN, page 75:",
          "text": "Now that the mersisters were gone, that seemed more important than ever.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The female sibling of a merperson."
      ],
      "id": "en-mersister-en-noun-KpnJKlvk",
      "links": [
        [
          "fantasy",
          "fantasy"
        ],
        [
          "sibling",
          "sibling"
        ],
        [
          "merperson",
          "merperson"
        ]
      ],
      "raw_glosses": [
        "(fantasy) The female sibling of a merperson."
      ],
      "topics": [
        "fantasy"
      ]
    }
  ],
  "word": "mersister"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mer",
        "3": "sister"
      },
      "expansion": "mer- + sister",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mer- + sister.",
  "forms": [
    {
      "form": "mersisters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mersister (plural mersisters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with mer-",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Fantasy",
        "en:Merpeople"
      ],
      "examples": [
        {
          "ref": "2009, Thomas S. Hischak, Mark A. Robinson, The Disney Song Encyclopedia, The Scarecrow Press, →ISBN, page 40:",
          "text": "In the 2008 Broadway version of The Little Mermaid, the song, by Alan Menken (music) and Howard Ashman (lyric), was also performed by the mermaids (or mersisters).",
          "type": "quote"
        },
        {
          "ref": "2012, Robert E. Thornsberry, The Accidental Mermaid, AuthorHouse, →ISBN, page 206:",
          "text": "Remember, these are the people who kidnapped us and were going to cut out mine^([sic]) and my mersisters' vocal cords!",
          "type": "quote"
        },
        {
          "ref": "2013, Catherine Hapka, Mermaids in the Backyard, Random House, →ISBN, page 75:",
          "text": "Now that the mersisters were gone, that seemed more important than ever.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The female sibling of a merperson."
      ],
      "links": [
        [
          "fantasy",
          "fantasy"
        ],
        [
          "sibling",
          "sibling"
        ],
        [
          "merperson",
          "merperson"
        ]
      ],
      "raw_glosses": [
        "(fantasy) The female sibling of a merperson."
      ],
      "topics": [
        "fantasy"
      ]
    }
  ],
  "word": "mersister"
}