"tau" meaning in Catalan

{
  "forms": [
    {
      "form": "taus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tau f (plural taus)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 23 22",
          "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": [
        "Tau; the Greek letter Τ (lowercase τ)"
      ],
      "id": "en-tau-ca-noun-WlP3p1-u",
      "links": [
        [
          "Tau",
          "tau#English"
        ],
        [
          "Τ",
          "Τ"
        ],
        [
          "τ",
          "τ"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        {
          "_dis": "15 68 17",
          "kind": "topical",
          "langcode": "ca",
          "name": "Hebrew letter names",
          "orig": "ca:Hebrew 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": [
        "tav; the Hebrew letter ת"
      ],
      "id": "en-tau-ca-noun-2HRsWQ7j",
      "links": [
        [
          "tav",
          "tav"
        ],
        [
          "ת",
          "ת"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ca",
          "name": "Religion",
          "orig": "ca:Religion",
          "parents": [
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "2 1 8 5 1 3 3 1 1 0 1 4 3 2 2 2 2 1 1 0 2 0 0 0 0 2 0 2 2 0 2 1 1 0 0 0 0 0 0 5 2 1 1 5 5 2 2 2 2 0 0 1 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 1 0 1 0 0 3",
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "30 19 51",
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "22 22 56",
          "kind": "other",
          "name": "Catalan feminine nouns with no feminine ending",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a tau cross"
      ],
      "id": "en-tau-ca-noun-PcHsi8PJ",
      "links": [
        [
          "religion",
          "religion"
        ],
        [
          "tau cross",
          "tau cross"
        ]
      ],
      "raw_glosses": [
        "(religion) a tau cross"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "lifestyle",
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈtaw]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    },
    {
      "rhymes": "-aw"
    }
  ],
  "word": "tau"
}

{
  "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 raw sortkeys",
    "Rhymes:Catalan/aw",
    "Rhymes:Catalan/aw/1 syllable",
    "ca:Greek letter names",
    "ca:Hebrew letter names"
  ],
  "forms": [
    {
      "form": "taus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tau f (plural taus)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Tau; the Greek letter Τ (lowercase τ)"
      ],
      "links": [
        [
          "Tau",
          "tau#English"
        ],
        [
          "Τ",
          "Τ"
        ],
        [
          "τ",
          "τ"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "glosses": [
        "tav; the Hebrew letter ת"
      ],
      "links": [
        [
          "tav",
          "tav"
        ],
        [
          "ת",
          "ת"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "categories": [
        "ca:Religion"
      ],
      "glosses": [
        "a tau cross"
      ],
      "links": [
        [
          "religion",
          "religion"
        ],
        [
          "tau cross",
          "tau cross"
        ]
      ],
      "raw_glosses": [
        "(religion) a tau cross"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "lifestyle",
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈtaw]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    },
    {
      "rhymes": "-aw"
    }
  ],
  "word": "tau"
}