"opisometer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὀπίσω",
        "4": "",
        "5": "backward"
      },
      "expansion": "Ancient Greek ὀπίσω (opísō, “backward”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "meter"
      },
      "expansion": "+ -meter",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek ὀπίσω (opísō, “backward”) + -meter.",
  "forms": [
    {
      "form": "opisometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opisometer (plural opisometers)",
      "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": "English terms suffixed with -meter",
          "parents": [],
          "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 Italian translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A device for measuring the length of curved lines, such as on a map."
      ],
      "id": "en-opisometer-en-noun-0EHvaGec",
      "links": [
        [
          "device",
          "device"
        ],
        [
          "measuring",
          "measure"
        ],
        [
          "curved",
          "curved"
        ],
        [
          "line",
          "line"
        ]
      ],
      "synonyms": [
        {
          "word": "curvimeter"
        },
        {
          "word": "meilograph"
        },
        {
          "word": "map measurer"
        }
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "opisometro"
        }
      ],
      "wikipedia": [
        "opisometer"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɒpɪˈsɒmɪtə(ɹ)/"
    }
  ],
  "word": "opisometer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὀπίσω",
        "4": "",
        "5": "backward"
      },
      "expansion": "Ancient Greek ὀπίσω (opísō, “backward”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "meter"
      },
      "expansion": "+ -meter",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek ὀπίσω (opísō, “backward”) + -meter.",
  "forms": [
    {
      "form": "opisometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opisometer (plural opisometers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English terms suffixed with -meter",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Italian translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "A device for measuring the length of curved lines, such as on a map."
      ],
      "links": [
        [
          "device",
          "device"
        ],
        [
          "measuring",
          "measure"
        ],
        [
          "curved",
          "curved"
        ],
        [
          "line",
          "line"
        ]
      ],
      "wikipedia": [
        "opisometer"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɒpɪˈsɒmɪtə(ɹ)/"
    }
  ],
  "synonyms": [
    {
      "word": "curvimeter"
    },
    {
      "word": "meilograph"
    },
    {
      "word": "map measurer"
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "opisometro"
    }
  ],
  "word": "opisometer"
}