"sea-star" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "*sesterre"
      },
      "expansion": "Middle English *sesterre",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "sǣsteorra",
        "4": "",
        "5": "a star which guides mariners at sea"
      },
      "expansion": "Old English sǣsteorra (“a star which guides mariners at sea”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "sea",
        "3": "star"
      },
      "expansion": "sea + star",
      "name": "compound"
    }
  ],
  "etymology_text": "From Middle English *sesterre, from Old English sǣsteorra (“a star which guides mariners at sea”), equivalent to sea + star.",
  "forms": [
    {
      "form": "sea-stars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea-star (plural sea-stars)",
      "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",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1658: By the same number doth nature divide the circle of the Sea-Starre — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 188)"
        }
      ],
      "glosses": [
        "A star used for navigation or guidance at sea."
      ],
      "id": "en-sea-star-en-noun-d1Z7dkFt",
      "links": [
        [
          "star",
          "star"
        ],
        [
          "navigation",
          "navigation"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A star used for navigation or guidance at sea."
      ],
      "synonyms": [
        {
          "word": "sea-starre"
        }
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "sea-star"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "*sesterre"
      },
      "expansion": "Middle English *sesterre",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "sǣsteorra",
        "4": "",
        "5": "a star which guides mariners at sea"
      },
      "expansion": "Old English sǣsteorra (“a star which guides mariners at sea”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "sea",
        "3": "star"
      },
      "expansion": "sea + star",
      "name": "compound"
    }
  ],
  "etymology_text": "From Middle English *sesterre, from Old English sǣsteorra (“a star which guides mariners at sea”), equivalent to sea + star.",
  "forms": [
    {
      "form": "sea-stars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea-star (plural sea-stars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
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        "English terms derived from Middle English",
        "English terms derived from Old English",
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        "English terms inherited from Old English",
        "English terms with obsolete senses",
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        "Pages with entries"
      ],
      "examples": [
        {
          "text": "1658: By the same number doth nature divide the circle of the Sea-Starre — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 188)"
        }
      ],
      "glosses": [
        "A star used for navigation or guidance at sea."
      ],
      "links": [
        [
          "star",
          "star"
        ],
        [
          "navigation",
          "navigation"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A star used for navigation or guidance at sea."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sea-starre"
    }
  ],
  "word": "sea-star"
}