"olive shell" meaning in English

{
  "forms": [
    {
      "form": "olive shells",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "olive shell (plural olive shells)",
      "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 Maori 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 marine mollusk from the family Olividae, commonly known as olive snails."
      ],
      "id": "en-olive_shell-en-noun-U2dM1sUr",
      "links": [
        [
          "Olividae",
          "Olividae"
        ],
        [
          "olive snail",
          "olive snail"
        ]
      ],
      "translations": [
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "A marine gastropod",
          "word": "tikoaka"
        }
      ]
    }
  ],
  "word": "olive shell"
}

{
  "forms": [
    {
      "form": "olive shells",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "olive shell (plural olive shells)",
      "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 Maori translations",
        "en:Gastropods"
      ],
      "glosses": [
        "Any marine mollusk from the family Olividae, commonly known as olive snails."
      ],
      "links": [
        [
          "Olividae",
          "Olividae"
        ],
        [
          "olive snail",
          "olive snail"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "A marine gastropod",
      "word": "tikoaka"
    }
  ],
  "word": "olive shell"
}