"矠" meaning in Japanese

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Uncommon kanji",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "spear"
      ],
      "id": "en-矠-ja-character-jyzJNrGW",
      "links": [
        [
          "spear",
          "spear"
        ]
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Japanese terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Uncommon kanji",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "fishing spear"
      ],
      "id": "en-矠-ja-character-yuVVc7qj",
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "矠"
}

{
  "categories": [
    "Japanese Han characters",
    "Japanese kanji with kun reading ほこ",
    "Japanese kanji with kun readings missing okurigana designation",
    "Japanese kanji with on reading さく",
    "Japanese kanji with on reading ざく",
    "Japanese kanji with on reading しゃく",
    "Japanese terms with redundant transliterations",
    "Uncommon kanji"
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "glosses": [
        "spear"
      ],
      "links": [
        [
          "spear",
          "spear"
        ]
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    },
    {
      "glosses": [
        "fishing spear"
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "矠"
}