"merfolk" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mer",
        "3": "folk"
      },
      "expansion": "mer- + folk",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mer- + folk.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "merfolk pl (plural only)",
      "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 pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with mer-",
          "parents": [],
          "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"
        }
      ],
      "glosses": [
        "Mythical creatures that are human from the waist up and fish from the waist down."
      ],
      "id": "en-merfolk-en-noun-njOQqDVm",
      "links": [
        [
          "Mythical",
          "mythical"
        ],
        [
          "creatures",
          "creatures"
        ],
        [
          "human",
          "human"
        ],
        [
          "waist",
          "waist"
        ],
        [
          "fish",
          "fish"
        ]
      ],
      "related": [
        {
          "word": "mermaid"
        },
        {
          "word": "merman"
        }
      ],
      "synonyms": [
        {
          "word": "merfolks"
        }
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "merfolk"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mer",
        "3": "folk"
      },
      "expansion": "mer- + folk",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mer- + folk.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "merfolk pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "mermaid"
    },
    {
      "word": "merman"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pluralia tantum",
        "English terms prefixed with mer-",
        "en:Merpeople"
      ],
      "glosses": [
        "Mythical creatures that are human from the waist up and fish from the waist down."
      ],
      "links": [
        [
          "Mythical",
          "mythical"
        ],
        [
          "creatures",
          "creatures"
        ],
        [
          "human",
          "human"
        ],
        [
          "waist",
          "waist"
        ],
        [
          "fish",
          "fish"
        ]
      ],
      "synonyms": [
        {
          "word": "merfolks"
        }
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "merfolk"
}