"סרטן ים" meaning in Hebrew

{
  "forms": [
    {
      "form": "סַרְטַן יָם",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sartán yám",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "tr": "sartán yám",
        "wv": "סַרְטַן יָם"
      },
      "expansion": "סַרְטַן יָם • (sartán yám) m",
      "name": "he-noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hebrew terms belonging to the root ס־ר־ט־ן",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "sea crab"
      ],
      "id": "en-סרטן_ים-he-noun-TvlJoYxn",
      "links": [
        [
          "sea",
          "sea"
        ],
        [
          "crab",
          "crab"
        ]
      ],
      "related": [
        {
          "tags": [
            "masculine"
          ],
          "word": "סרטן הנהרות"
        }
      ]
    }
  ],
  "word": "סרטן ים"
}

{
  "forms": [
    {
      "form": "סַרְטַן יָם",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sartán yám",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "tr": "sartán yám",
        "wv": "סַרְטַן יָם"
      },
      "expansion": "סַרְטַן יָם • (sartán yám) m",
      "name": "he-noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "masculine"
      ],
      "word": "סרטן הנהרות"
    }
  ],
  "senses": [
    {
      "categories": [
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Hebrew masculine nouns",
        "Hebrew multiword terms",
        "Hebrew noun entries missing plural construct forms",
        "Hebrew noun entries missing plural forms",
        "Hebrew noun entries missing singular construct forms",
        "Hebrew nouns",
        "Hebrew terms belonging to the root ס־ר־ט־ן"
      ],
      "glosses": [
        "sea crab"
      ],
      "links": [
        [
          "sea",
          "sea"
        ],
        [
          "crab",
          "crab"
        ]
      ]
    }
  ],
  "word": "סרטן ים"
}