"metre stick" meaning in English

{
  "forms": [
    {
      "form": "metre sticks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "metre stick (plural metre sticks)",
      "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": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A ruler that measures one metre."
      ],
      "id": "en-metre_stick-en-noun-HsvQHCyc",
      "links": [
        [
          "ruler",
          "ruler"
        ],
        [
          "metre",
          "metre"
        ]
      ],
      "related": [
        {
          "word": "yardstick"
        }
      ],
      "synonyms": [
        {
          "word": "meter stick"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "mǐchǐ",
          "sense": "ruler measuring one metre",
          "word": "米尺"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "ruler measuring one metre",
          "tags": [
            "masculine"
          ],
          "word": "Meterstab"
        }
      ]
    }
  ],
  "word": "metre stick"
}

{
  "forms": [
    {
      "form": "metre sticks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "metre stick (plural metre sticks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "yardstick"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Mandarin terms with redundant transliterations"
      ],
      "glosses": [
        "A ruler that measures one metre."
      ],
      "links": [
        [
          "ruler",
          "ruler"
        ],
        [
          "metre",
          "metre"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "meter stick"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "mǐchǐ",
      "sense": "ruler measuring one metre",
      "word": "米尺"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "ruler measuring one metre",
      "tags": [
        "masculine"
      ],
      "word": "Meterstab"
    }
  ],
  "word": "metre stick"
}