"морски јеж" meaning in Serbo-Croatian

{
  "etymology_text": "From морски (sea) + јеж (hedgehog, urchin).",
  "forms": [
    {
      "form": "morski jež",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m"
      },
      "expansion": "морски јеж m (Latin spelling morski jež)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "sh",
          "name": "Echinoderms",
          "orig": "sh:Echinoderms",
          "parents": [
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sea urchin"
      ],
      "id": "en-морски_јеж-sh-noun-sfPtAvcc",
      "links": [
        [
          "sea urchin",
          "sea urchin"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "морски јеж"
}

{
  "etymology_text": "From морски (sea) + јеж (hedgehog, urchin).",
  "forms": [
    {
      "form": "morski jež",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m"
      },
      "expansion": "морски јеж m (Latin spelling morski jež)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian masculine nouns",
        "Serbo-Croatian multiword terms",
        "Serbo-Croatian nouns",
        "sh:Echinoderms"
      ],
      "glosses": [
        "sea urchin"
      ],
      "links": [
        [
          "sea urchin",
          "sea urchin"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "морски јеж"
}