"синът" meaning in Bulgarian

{
  "forms": [
    {
      "form": "синъ́т",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sinǎ́t",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "noun form",
        "head": "синъ́т"
      },
      "expansion": "синъ́т • (sinǎ́t)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "sin",
          "word": "син"
        }
      ],
      "glosses": [
        "definite subject singular of син (sin)"
      ],
      "id": "en-синът-bg-noun-AW7qYDdc",
      "links": [
        [
          "син",
          "син#Bulgarian"
        ]
      ],
      "tags": [
        "definite",
        "form-of",
        "singular",
        "subjective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈnɤt]"
    },
    {
      "rhymes": "-ɤt"
    }
  ],
  "word": "синът"
}

{
  "forms": [
    {
      "form": "синъ́т",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sinǎ́t",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "noun form",
        "head": "синъ́т"
      },
      "expansion": "синъ́т • (sinǎ́t)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Bulgarian 2-syllable words",
        "Bulgarian entries with incorrect language header",
        "Bulgarian non-lemma forms",
        "Bulgarian noun forms",
        "Bulgarian terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Bulgarian/ɤt",
        "Rhymes:Bulgarian/ɤt/2 syllables"
      ],
      "form_of": [
        {
          "extra": "sin",
          "word": "син"
        }
      ],
      "glosses": [
        "definite subject singular of син (sin)"
      ],
      "links": [
        [
          "син",
          "син#Bulgarian"
        ]
      ],
      "tags": [
        "definite",
        "form-of",
        "singular",
        "subjective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈnɤt]"
    },
    {
      "rhymes": "-ɤt"
    }
  ],
  "word": "синът"
}