"-metre" meaning in Catalan

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "grc",
        "3": "μέτρον"
      },
      "expansion": "Ancient Greek μέτρον (métron)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μέτρον (métron).",
  "forms": [
    {
      "form": "-metres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-metre m (noun-forming suffix, plural -metres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "-meter"
      ],
      "id": "en--metre-ca-suffix-WtbKnrKp",
      "links": [
        [
          "-meter",
          "-meter"
        ]
      ],
      "related": [
        {
          "word": "-metria"
        }
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-metre"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "grc",
        "3": "μέτρον"
      },
      "expansion": "Ancient Greek μέτρον (métron)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μέτρον (métron).",
  "forms": [
    {
      "form": "-metres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-metre m (noun-forming suffix, plural -metres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "related": [
    {
      "word": "-metria"
    }
  ],
  "senses": [
    {
      "categories": [
        "Catalan countable suffixes",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine suffixes",
        "Catalan noun-forming suffixes",
        "Catalan suffixes",
        "Catalan suffixes with red links in their headword lines",
        "Catalan terms derived from Ancient Greek",
        "Pages with raw sortkeys"
      ],
      "glosses": [
        "-meter"
      ],
      "links": [
        [
          "-meter",
          "-meter"
        ]
      ],
      "tags": [
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-metre"
}