"ro" meaning in Catalan

{
  "forms": [
    {
      "form": "ros",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "ro f (plural ros)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan feminine nouns with no feminine ending",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 29 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ca",
          "name": "Greek letter names",
          "orig": "ca:Greek letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "rho; the Greek letter Ρ (lowercase ρ)"
      ],
      "id": "en-ro-ca-noun-l4aMVIuu",
      "links": [
        [
          "rho",
          "rho"
        ],
        [
          "Ρ",
          "Ρ"
        ],
        [
          "ρ",
          "ρ"
        ]
      ],
      "synonyms": [
        {
          "word": "rho"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈro]",
      "tags": [
        "Balearic",
        "Central",
        "Valencia"
      ]
    }
  ],
  "word": "ro"
}

{
  "forms": [
    {
      "form": "ros",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "ro f (plural ros)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan feminine nouns",
        "Catalan feminine nouns with no feminine ending",
        "Catalan lemmas",
        "Catalan nouns",
        "Catalan terms with IPA pronunciation",
        "Pages with 29 entries",
        "Pages with entries",
        "ca:Greek letter names"
      ],
      "glosses": [
        "rho; the Greek letter Ρ (lowercase ρ)"
      ],
      "links": [
        [
          "rho",
          "rho"
        ],
        [
          "Ρ",
          "Ρ"
        ],
        [
          "ρ",
          "ρ"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈro]",
      "tags": [
        "Balearic",
        "Central",
        "Valencia"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rho"
    }
  ],
  "word": "ro"
}