"sigma" meaning in Catalan

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "sigmàtic"
    },
    {
      "_dis1": "0 0",
      "word": "sigmatisme"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "sigma"
      },
      "expansion": "Learned borrowing from Latin sigma",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Latin sigma.",
  "forms": [
    {
      "form": "sigmes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "sigma f (plural sigmes)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "sigmoide"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "73 27",
          "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+disamb"
        }
      ],
      "glosses": [
        "Sigma; the Greek letter Σ (lowercase σ or ς)"
      ],
      "id": "en-sigma-ca-noun-1sybMPAd",
      "links": [
        [
          "Sigma",
          "#English"
        ],
        [
          "Σ",
          "Σ"
        ],
        [
          "σ",
          "σ"
        ],
        [
          "ς",
          "ς"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ca",
          "name": "Anatomy",
          "orig": "ca:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "sigmoid colon"
      ],
      "id": "en-sigma-ca-noun-tC1eu8DY",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "sigmoid colon",
          "sigmoid colon"
        ]
      ],
      "raw_glosses": [
        "(anatomy) sigmoid colon"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈsiɡ.mə]",
      "tags": [
        "Balearic",
        "Central"
      ]
    },
    {
      "ipa": "[ˈsiɡ.ma]",
      "tags": [
        "Valencia"
      ]
    }
  ],
  "word": "sigma"
}

{
  "categories": [
    "Catalan countable nouns",
    "Catalan entries with incorrect language header",
    "Catalan feminine nouns",
    "Catalan learned borrowings from Latin",
    "Catalan lemmas",
    "Catalan nouns",
    "Catalan terms borrowed from Latin",
    "Catalan terms derived from Latin",
    "Catalan terms with IPA pronunciation",
    "Pages with 12 entries",
    "ca:Greek letter names"
  ],
  "derived": [
    {
      "word": "sigmàtic"
    },
    {
      "word": "sigmatisme"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "sigma"
      },
      "expansion": "Learned borrowing from Latin sigma",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Latin sigma.",
  "forms": [
    {
      "form": "sigmes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "sigma f (plural sigmes)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "related": [
    {
      "word": "sigmoide"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Sigma; the Greek letter Σ (lowercase σ or ς)"
      ],
      "links": [
        [
          "Sigma",
          "#English"
        ],
        [
          "Σ",
          "Σ"
        ],
        [
          "σ",
          "σ"
        ],
        [
          "ς",
          "ς"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        "ca:Anatomy"
      ],
      "glosses": [
        "sigmoid colon"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "sigmoid colon",
          "sigmoid colon"
        ]
      ],
      "raw_glosses": [
        "(anatomy) sigmoid colon"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈsiɡ.mə]",
      "tags": [
        "Balearic",
        "Central"
      ]
    },
    {
      "ipa": "[ˈsiɡ.ma]",
      "tags": [
        "Valencia"
      ]
    }
  ],
  "word": "sigma"
}