"ㅌ" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ㄷ"
      },
      "expansion": "ㄷ (d)",
      "name": "ko-l"
    }
  ],
  "etymology_text": "The Hunmin Jeongeum Haerye, the treatise introducing the principles behind the Korean alphabet written by its inventor King Sejong in 1446, explains that this glyph was derived by adding a stroke to ㄷ (d) to represent aspiration.",
  "forms": [
    {
      "form": "t",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "letter"
      },
      "expansion": "ㅌ • (t)",
      "name": "ko-pos"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "티읕 (tieut, “tieut”), a jamo (letter) of Hangul, the Korean alphabet: the aspirated alveolar plosive ([tʰ])"
      ],
      "id": "en-ㅌ-ko-character-vpkBE4V-",
      "links": [
        [
          "티읕",
          "티읕"
        ],
        [
          "jamo",
          "jamo"
        ],
        [
          "Hangul",
          "Hangul"
        ],
        [
          "Korean",
          "Korean"
        ],
        [
          "alphabet",
          "alphabet"
        ],
        [
          "aspirated",
          "aspirated"
        ],
        [
          "alveolar",
          "alveolar"
        ],
        [
          "plosive",
          "plosive"
        ]
      ],
      "related": [
        {
          "english": "k",
          "roman": "k",
          "sense": "aspirated plosives",
          "word": "ㅋ"
        },
        {
          "english": "p",
          "roman": "p",
          "sense": "aspirated plosives",
          "word": "ㅍ"
        },
        {
          "english": "ch",
          "roman": "ch",
          "sense": "aspirated plosives",
          "word": "ㅊ"
        },
        {
          "english": "d",
          "roman": "d",
          "sense": "alveolar jamo",
          "word": "ㄷ"
        },
        {
          "english": "n",
          "roman": "n",
          "sense": "alveolar jamo",
          "word": "ㄴ"
        }
      ],
      "tags": [
        "letter"
      ],
      "wikipedia": [
        "Sejong of Joseon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʰ/"
    },
    {
      "ipa": "[tʰ]",
      "note": "syllable-initially"
    },
    {
      "ipa": "[t̚]",
      "note": "before stops, or word-finally"
    },
    {
      "ipa": "[n]",
      "note": "before nasals"
    }
  ],
  "word": "ㅌ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ㄷ"
      },
      "expansion": "ㄷ (d)",
      "name": "ko-l"
    }
  ],
  "etymology_text": "The Hunmin Jeongeum Haerye, the treatise introducing the principles behind the Korean alphabet written by its inventor King Sejong in 1446, explains that this glyph was derived by adding a stroke to ㄷ (d) to represent aspiration.",
  "forms": [
    {
      "form": "t",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "letter"
      },
      "expansion": "ㅌ • (t)",
      "name": "ko-pos"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "character",
  "related": [
    {
      "english": "k",
      "roman": "k",
      "sense": "aspirated plosives",
      "word": "ㅋ"
    },
    {
      "english": "p",
      "roman": "p",
      "sense": "aspirated plosives",
      "word": "ㅍ"
    },
    {
      "english": "ch",
      "roman": "ch",
      "sense": "aspirated plosives",
      "word": "ㅊ"
    },
    {
      "english": "d",
      "roman": "d",
      "sense": "alveolar jamo",
      "word": "ㄷ"
    },
    {
      "english": "n",
      "roman": "n",
      "sense": "alveolar jamo",
      "word": "ㄴ"
    }
  ],
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean letters",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Korean terms without ko-IPA template"
      ],
      "glosses": [
        "티읕 (tieut, “tieut”), a jamo (letter) of Hangul, the Korean alphabet: the aspirated alveolar plosive ([tʰ])"
      ],
      "links": [
        [
          "티읕",
          "티읕"
        ],
        [
          "jamo",
          "jamo"
        ],
        [
          "Hangul",
          "Hangul"
        ],
        [
          "Korean",
          "Korean"
        ],
        [
          "alphabet",
          "alphabet"
        ],
        [
          "aspirated",
          "aspirated"
        ],
        [
          "alveolar",
          "alveolar"
        ],
        [
          "plosive",
          "plosive"
        ]
      ],
      "tags": [
        "letter"
      ],
      "wikipedia": [
        "Sejong of Joseon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʰ/"
    },
    {
      "ipa": "[tʰ]",
      "note": "syllable-initially"
    },
    {
      "ipa": "[t̚]",
      "note": "before stops, or word-finally"
    },
    {
      "ipa": "[n]",
      "note": "before nasals"
    }
  ],
  "word": "ㅌ"
}