"先頭" meaning in Japanese

{
  "antonyms": [
    {
      "roman": "matsubi",
      "ruby": [
        [
          "末尾",
          "まつび"
        ]
      ],
      "word": "末尾"
    }
  ],
  "forms": [
    {
      "form": "先頭",
      "ruby": [
        [
          "先",
          "せん"
        ],
        [
          "頭",
          "とう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sentō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんとう"
      },
      "expansion": "先(せん)頭(とう) • (sentō)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The first letter always gets capitalized.",
          "roman": "Kanarazu sentō ga ōmoji ni naru.",
          "ruby": [
            [
              "必",
              "かなら"
            ],
            [
              "先頭",
              "せんとう"
            ],
            [
              "大文字",
              "おおもじ"
            ]
          ],
          "text": "必ず先頭が大文字になる。"
        }
      ],
      "glosses": [
        "head, front, lead, first"
      ],
      "id": "en-先頭-ja-noun-2IDVdV~N",
      "links": [
        [
          "head",
          "head"
        ],
        [
          "front",
          "front"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "first",
          "first"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "せんとー"
    },
    {
      "ipa": "[sẽ̞nto̞ː]"
    }
  ],
  "word": "先頭"
}

{
  "antonyms": [
    {
      "roman": "matsubi",
      "ruby": [
        [
          "末尾",
          "まつび"
        ]
      ],
      "word": "末尾"
    }
  ],
  "forms": [
    {
      "form": "先頭",
      "ruby": [
        [
          "先",
          "せん"
        ],
        [
          "頭",
          "とう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sentō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんとう"
      },
      "expansion": "先(せん)頭(とう) • (sentō)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Japanese terms written with two Han script characters"
      ],
      "examples": [
        {
          "english": "The first letter always gets capitalized.",
          "roman": "Kanarazu sentō ga ōmoji ni naru.",
          "ruby": [
            [
              "必",
              "かなら"
            ],
            [
              "先頭",
              "せんとう"
            ],
            [
              "大文字",
              "おおもじ"
            ]
          ],
          "text": "必ず先頭が大文字になる。"
        }
      ],
      "glosses": [
        "head, front, lead, first"
      ],
      "links": [
        [
          "head",
          "head"
        ],
        [
          "front",
          "front"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "first",
          "first"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "せんとー"
    },
    {
      "ipa": "[sẽ̞nto̞ː]"
    }
  ],
  "word": "先頭"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "先頭"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "先頭",
  "trace": ""
}