"sea angel" meaning in English

{
  "etymology_text": "Its flapping appendages (parapodia) suggest an angel's wings.",
  "forms": [
    {
      "form": "sea angels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea angel (plural sea angels)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Dutch translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Navajo translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Gastropods",
          "orig": "en:Gastropods",
          "parents": [
            "Mollusks",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of a group of small swimming sea slugs of the suborder Gymnosomata"
      ],
      "hyponyms": [
        {
          "word": "clionid"
        }
      ],
      "id": "en-sea_angel-en-noun-ZGoOUrrg",
      "links": [
        [
          "sea slug",
          "sea slug"
        ]
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "Gymnosomata",
          "word": "schelploze vleugelslak"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Gymnosomata",
          "tags": [
            "feminine"
          ],
          "word": "Ruderschnecke"
        },
        {
          "code": "nv",
          "lang": "Navajo",
          "sense": "Gymnosomata",
          "word": "chʼoshłóóʼ bitʼaʼí"
        }
      ],
      "wikipedia": [
        "sea angel"
      ]
    }
  ],
  "word": "sea angel"
}

{
  "etymology_text": "Its flapping appendages (parapodia) suggest an angel's wings.",
  "forms": [
    {
      "form": "sea angels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea angel (plural sea angels)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "clionid"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (suborder)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Dutch translations",
        "Terms with German translations",
        "Terms with Navajo translations",
        "en:Gastropods"
      ],
      "glosses": [
        "Any of a group of small swimming sea slugs of the suborder Gymnosomata"
      ],
      "links": [
        [
          "sea slug",
          "sea slug"
        ]
      ],
      "wikipedia": [
        "sea angel"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Gymnosomata",
      "word": "schelploze vleugelslak"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Gymnosomata",
      "tags": [
        "feminine"
      ],
      "word": "Ruderschnecke"
    },
    {
      "code": "nv",
      "lang": "Navajo",
      "sense": "Gymnosomata",
      "word": "chʼoshłóóʼ bitʼaʼí"
    }
  ],
  "word": "sea angel"
}