"sea pen" meaning in English

{
  "etymology_text": "From the feather-like appearance of some species, reminiscent of antique quill pens.",
  "forms": [
    {
      "form": "sea pens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea pen (plural sea pens)",
      "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 Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Malay translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Navajo translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Turkish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Cnidarians",
          "orig": "en:Cnidarians",
          "parents": [
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A colonial marine cnidarian of the order Pennatulacea."
      ],
      "id": "en-sea_pen-en-noun-fnXi8dHg",
      "links": [
        [
          "colonial",
          "colonial"
        ],
        [
          "marine",
          "marine"
        ],
        [
          "cnidarian",
          "cnidarian"
        ],
        [
          "order",
          "order"
        ],
        [
          "Pennatulacea",
          "Pennatulacea#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cnidarian in order Pennatulacea",
          "word": "merisulka"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "cnidarian in order Pennatulacea",
          "tags": [
            "feminine"
          ],
          "word": "Seefeder"
        },
        {
          "code": "ms",
          "lang": "Malay",
          "sense": "cnidarian in order Pennatulacea",
          "word": "pena laut"
        },
        {
          "code": "nv",
          "lang": "Navajo",
          "sense": "cnidarian in order Pennatulacea",
          "word": "táłtłʼááh atʼaʼgi átʼéhígíí"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "morskóje peró",
          "sense": "cnidarian in order Pennatulacea",
          "tags": [
            "neuter"
          ],
          "word": "морско́е перо́"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "cnidarian in order Pennatulacea",
          "word": "deniz kalemi"
        }
      ]
    }
  ],
  "word": "sea pen"
}

{
  "etymology_text": "From the feather-like appearance of some species, reminiscent of antique quill pens.",
  "forms": [
    {
      "form": "sea pens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea pen (plural sea pens)",
      "name": "en-noun"
    }
  ],
  "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 with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Malay translations",
        "Terms with Navajo translations",
        "Terms with Russian translations",
        "Terms with Turkish translations",
        "en:Cnidarians"
      ],
      "glosses": [
        "A colonial marine cnidarian of the order Pennatulacea."
      ],
      "links": [
        [
          "colonial",
          "colonial"
        ],
        [
          "marine",
          "marine"
        ],
        [
          "cnidarian",
          "cnidarian"
        ],
        [
          "order",
          "order"
        ],
        [
          "Pennatulacea",
          "Pennatulacea#Translingual"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cnidarian in order Pennatulacea",
      "word": "merisulka"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "cnidarian in order Pennatulacea",
      "tags": [
        "feminine"
      ],
      "word": "Seefeder"
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "cnidarian in order Pennatulacea",
      "word": "pena laut"
    },
    {
      "code": "nv",
      "lang": "Navajo",
      "sense": "cnidarian in order Pennatulacea",
      "word": "táłtłʼááh atʼaʼgi átʼéhígíí"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "morskóje peró",
      "sense": "cnidarian in order Pennatulacea",
      "tags": [
        "neuter"
      ],
      "word": "морско́е перо́"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "cnidarian in order Pennatulacea",
      "word": "deniz kalemi"
    }
  ],
  "word": "sea pen"
}