"bras" meaning in Middle French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "bras"
          },
          "expansion": "French: bras",
          "name": "desc"
        }
      ],
      "text": "French: bras"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "bras"
      },
      "expansion": "Old French bras",
      "name": "inh"
    },
    {
      "args": {
        "1": "frm",
        "2": "la",
        "3": "brachium"
      },
      "expansion": "Latin brachium",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "bracchium"
      },
      "expansion": "bracchium",
      "name": "m"
    },
    {
      "args": {
        "1": "frm",
        "2": "grc",
        "3": "βραχίων"
      },
      "expansion": "Ancient Greek βραχίων (brakhíōn)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old French bras, from Latin brachium, bracchium, from Ancient Greek βραχίων (brakhíōn).",
  "forms": [
    {
      "form": "bras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "bras",
        "7": "",
        "8": "{{{pl2}}}",
        "9": "",
        "f1accel-form": "p",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "bras m (plural bras)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "bras"
      },
      "expansion": "bras m (plural bras)",
      "name": "frm-noun"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "frm",
          "name": "Anatomy",
          "orig": "frm:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "arm"
      ],
      "id": "en-bras-frm-noun-3ff~Xr2d",
      "links": [
        [
          "arm",
          "arm"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "bras"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "bras"
          },
          "expansion": "French: bras",
          "name": "desc"
        }
      ],
      "text": "French: bras"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "bras"
      },
      "expansion": "Old French bras",
      "name": "inh"
    },
    {
      "args": {
        "1": "frm",
        "2": "la",
        "3": "brachium"
      },
      "expansion": "Latin brachium",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "bracchium"
      },
      "expansion": "bracchium",
      "name": "m"
    },
    {
      "args": {
        "1": "frm",
        "2": "grc",
        "3": "βραχίων"
      },
      "expansion": "Ancient Greek βραχίων (brakhíōn)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old French bras, from Latin brachium, bracchium, from Ancient Greek βραχίων (brakhíōn).",
  "forms": [
    {
      "form": "bras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "bras",
        "7": "",
        "8": "{{{pl2}}}",
        "9": "",
        "f1accel-form": "p",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "bras m (plural bras)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "bras"
      },
      "expansion": "bras m (plural bras)",
      "name": "frm-noun"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle French countable nouns",
        "Middle French entries with incorrect language header",
        "Middle French lemmas",
        "Middle French masculine nouns",
        "Middle French nouns",
        "Middle French terms derived from Ancient Greek",
        "Middle French terms derived from Latin",
        "Middle French terms derived from Old French",
        "Middle French terms inherited from Latin",
        "Middle French terms inherited from Old French",
        "frm:Anatomy"
      ],
      "glosses": [
        "arm"
      ],
      "links": [
        [
          "arm",
          "arm"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "bras"
}