"rouleau" meaning in French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ca",
            "2": "ruló",
            "bor": "1"
          },
          "expansion": "→ Catalan: ruló",
          "name": "desc"
        }
      ],
      "text": "→ Catalan: ruló"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "el",
            "2": "ρολό",
            "bor": "1"
          },
          "expansion": "→ Greek: ρολό (roló)",
          "name": "desc"
        }
      ],
      "text": "→ Greek: ρολό (roló)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "tr",
            "2": "rulo",
            "bor": "1"
          },
          "expansion": "→ Turkish: rulo",
          "name": "desc"
        }
      ],
      "text": "→ Turkish: rulo"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "rouler",
        "3": "-eau"
      },
      "expansion": "rouler + -eau",
      "name": "af"
    }
  ],
  "etymology_text": "From rouler + -eau.",
  "forms": [
    {
      "form": "rouleaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "rouleau m (plural rouleaux)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms suffixed with -eau",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "au bout du rouleau"
        },
        {
          "word": "rouleau à pâtisserie"
        },
        {
          "word": "rouleau compresseur"
        },
        {
          "word": "rouleau de printemps"
        },
        {
          "word": "rouleau impérial"
        }
      ],
      "glosses": [
        "roll, roller"
      ],
      "id": "en-rouleau-fr-noun-Jjqj9eXx",
      "links": [
        [
          "roll",
          "roll"
        ],
        [
          "roller",
          "roller"
        ]
      ],
      "related": [
        {
          "word": "roue"
        },
        {
          "word": "rouette"
        },
        {
          "word": "roulette"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁu.lo/"
    },
    {
      "audio": "Fr-rouleau.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/2f/Fr-rouleau.ogg/Fr-rouleau.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/2f/Fr-rouleau.ogg",
      "text": "Audio"
    }
  ],
  "word": "rouleau"
}

{
  "derived": [
    {
      "word": "au bout du rouleau"
    },
    {
      "word": "rouleau à pâtisserie"
    },
    {
      "word": "rouleau compresseur"
    },
    {
      "word": "rouleau de printemps"
    },
    {
      "word": "rouleau impérial"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ca",
            "2": "ruló",
            "bor": "1"
          },
          "expansion": "→ Catalan: ruló",
          "name": "desc"
        }
      ],
      "text": "→ Catalan: ruló"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "el",
            "2": "ρολό",
            "bor": "1"
          },
          "expansion": "→ Greek: ρολό (roló)",
          "name": "desc"
        }
      ],
      "text": "→ Greek: ρολό (roló)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "tr",
            "2": "rulo",
            "bor": "1"
          },
          "expansion": "→ Turkish: rulo",
          "name": "desc"
        }
      ],
      "text": "→ Turkish: rulo"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "rouler",
        "3": "-eau"
      },
      "expansion": "rouler + -eau",
      "name": "af"
    }
  ],
  "etymology_text": "From rouler + -eau.",
  "forms": [
    {
      "form": "rouleaux",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "rouleau m (plural rouleaux)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "related": [
    {
      "word": "roue"
    },
    {
      "word": "rouette"
    },
    {
      "word": "roulette"
    }
  ],
  "senses": [
    {
      "categories": [
        "French 2-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French terms suffixed with -eau",
        "French terms with IPA pronunciation",
        "French terms with audio links"
      ],
      "glosses": [
        "roll, roller"
      ],
      "links": [
        [
          "roll",
          "roll"
        ],
        [
          "roller",
          "roller"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʁu.lo/"
    },
    {
      "audio": "Fr-rouleau.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/2f/Fr-rouleau.ogg/Fr-rouleau.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/2f/Fr-rouleau.ogg",
      "text": "Audio"
    }
  ],
  "word": "rouleau"
}