"delta" meaning in Portuguese

{
  "categories": [
    {
      "_dis": "0 0",
      "kind": "other",
      "langcode": "pt",
      "name": "Geography",
      "orig": "pt:Geography",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "derived": [
    {
      "_dis1": "0 0",
      "word": "asa-delta"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "δέλτα"
      },
      "expansion": "Borrowed from Ancient Greek δέλτα (délta)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek δέλτα (délta).",
  "forms": [
    {
      "form": "deltas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "delta m (plural deltas)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "del‧ta"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "76 24",
          "kind": "other",
          "name": "Portuguese nouns with irregular gender",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "99 1",
          "kind": "other",
          "langcode": "pt",
          "name": "Greek letter names",
          "orig": "pt:Greek letter names",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "delta (Greek letter)"
      ],
      "id": "en-delta-pt-noun-bC1W~Crj",
      "links": [
        [
          "delta",
          "delta#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "glosses": [
        "delta (landform at the mouth of a river)"
      ],
      "id": "en-delta-pt-noun-vqFWxEBU",
      "links": [
        [
          "delta",
          "delta#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɛw.tɐ/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.tɐ]",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛw.tɐ/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.tɐ]",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛw.ta/",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.ta]",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛl.tɐ/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "ipa": "[ˈdɛɫ.tɐ]",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "delta"
}

{
  "categories": [
    "Pages with 23 entries",
    "Pages with entries",
    "Portuguese 2-syllable words",
    "Portuguese countable nouns",
    "Portuguese entries with incorrect language header",
    "Portuguese lemmas",
    "Portuguese masculine nouns",
    "Portuguese nouns",
    "Portuguese nouns with irregular gender",
    "Portuguese terms borrowed from Ancient Greek",
    "Portuguese terms derived from Ancient Greek",
    "Portuguese terms with IPA pronunciation",
    "pt:Geography",
    "pt:Greek letter names",
    "sv:Geography",
    "sv:Greek letter names"
  ],
  "derived": [
    {
      "word": "asa-delta"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "grc",
        "3": "δέλτα"
      },
      "expansion": "Borrowed from Ancient Greek δέλτα (délta)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek δέλτα (délta).",
  "forms": [
    {
      "form": "deltas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "delta m (plural deltas)",
      "name": "pt-noun"
    }
  ],
  "hyphenation": [
    "del‧ta"
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "delta (Greek letter)"
      ],
      "links": [
        [
          "delta",
          "delta#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "glosses": [
        "delta (landform at the mouth of a river)"
      ],
      "links": [
        [
          "delta",
          "delta#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɛw.tɐ/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.tɐ]",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛw.tɐ/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.tɐ]",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛw.ta/",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "[ˈdɛʊ̯.ta]",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "/ˈdɛl.tɐ/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "ipa": "[ˈdɛɫ.tɐ]",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "delta"
}