"roc" meaning in Middle French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "roc"
          },
          "expansion": "French: roc",
          "name": "desc"
        }
      ],
      "text": "French: roc"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "roc"
      },
      "expansion": "Old French roc",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French roc.",
  "forms": [
    {
      "form": "rocs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "rocs",
        "7": "",
        "8": "{{{pl2}}}",
        "9": "",
        "f1accel-form": "p",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "roc m (plural rocs)",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "roc m (plural rocs)",
      "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": "other",
          "name": "Pages with 12 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "frm",
          "name": "Chess",
          "orig": "frm:Chess",
          "parents": [
            "Board games",
            "Tabletop games",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "0 1 2 1 3 9 2 2 10 0 1 1 1 1 1 10 1 15 15 1 1 11 9 0 0",
          "kind": "other",
          "name": "Pages with 12 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "rook"
      ],
      "id": "en-roc-frm-noun-LCt2CAut",
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "rook",
          "rook"
        ]
      ],
      "raw_glosses": [
        "(chess) rook"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "word": "roc"
}

{
  "categories": [
    "Pages with 12 entries"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "roc"
          },
          "expansion": "French: roc",
          "name": "desc"
        }
      ],
      "text": "French: roc"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "frm",
        "2": "fro",
        "3": "roc"
      },
      "expansion": "Old French roc",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old French roc.",
  "forms": [
    {
      "form": "rocs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "10": "{{{f}}}",
        "11": "",
        "12": "{{{f}}}s",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "rocs",
        "7": "",
        "8": "{{{pl2}}}",
        "9": "",
        "f1accel-form": "p",
        "g": "m",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "roc m (plural rocs)",
      "name": "head"
    },
    {
      "args": {
        "1": "m"
      },
      "expansion": "roc m (plural rocs)",
      "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 Old French",
        "Middle French terms inherited from Old French",
        "Pages with 12 entries",
        "frm:Chess"
      ],
      "glosses": [
        "rook"
      ],
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "rook",
          "rook"
        ]
      ],
      "raw_glosses": [
        "(chess) rook"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "word": "roc"
}