"magnetic compass" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 測量儀器",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 電磁學",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語可數名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語返璞詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "magnetic compasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語 航海",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "英語 軍事",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "磁羅盤"
      ],
      "id": "zh-magnetic_compass-en-noun-BzcOsMPV",
      "topics": [
        "military",
        "nautical"
      ]
    },
    {
      "glosses": [
        "某些動物體內的假想器官，可使其與地球磁場一致"
      ],
      "id": "zh-magnetic_compass-en-noun-A8tT3iGx"
    }
  ],
  "synonyms": [
    {
      "sense": "磁羅盤",
      "word": "compass"
    }
  ],
  "word": "magnetic compass"
}

{
  "categories": [
    "有1個詞條的頁面",
    "英語 測量儀器",
    "英語 電磁學",
    "英語可數名詞",
    "英語名詞",
    "英語詞元",
    "英語返璞詞"
  ],
  "forms": [
    {
      "form": "magnetic compasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "英語 航海",
        "英語 軍事"
      ],
      "glosses": [
        "磁羅盤"
      ],
      "topics": [
        "military",
        "nautical"
      ]
    },
    {
      "glosses": [
        "某些動物體內的假想器官，可使其與地球磁場一致"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "磁羅盤",
      "word": "compass"
    }
  ],
  "word": "magnetic compass"
}