"乎" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Sinogrammes en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "乎古止点"
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "character",
  "pos_title": "Sinogramme",
  "senses": [
    {
      "glosses": [
        "Grade : Niveau 9 (kanji utilisé dans les noms de famille)"
      ],
      "id": "fr-乎-ja-character-Mj4V4kQS"
    },
    {
      "glosses": [
        "Code JIS X 0208 : 3843 (décimal : 14403)"
      ],
      "id": "fr-乎-ja-character-dLro8EK-"
    },
    {
      "glosses": [
        "Code SKIP : 4-5-3"
      ],
      "id": "fr-乎-ja-character-OdYDL7xZ"
    },
    {
      "glosses": [
        "On’yomi : コ (ko), オ (o)"
      ],
      "id": "fr-乎-ja-character-QAMK1yUh"
    },
    {
      "glosses": [
        "Kun’yomi : か (ka), ああ (aa), かな (kana), や (ya), よ (yo), を (wo)"
      ],
      "id": "fr-乎-ja-character-KN3Y3ufz"
    },
    {
      "glosses": [
        "Sens général : marque de question (correspond au point d'interrogation en Europe)"
      ],
      "id": "fr-乎-ja-character-50Dh-ROt"
    }
  ],
  "tags": [
    "letter"
  ],
  "word": "乎"
}

{
  "categories": [
    "Sinogrammes en japonais",
    "japonais"
  ],
  "derived": [
    {
      "word": "乎古止点"
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "character",
  "pos_title": "Sinogramme",
  "senses": [
    {
      "glosses": [
        "Grade : Niveau 9 (kanji utilisé dans les noms de famille)"
      ]
    },
    {
      "glosses": [
        "Code JIS X 0208 : 3843 (décimal : 14403)"
      ]
    },
    {
      "glosses": [
        "Code SKIP : 4-5-3"
      ]
    },
    {
      "glosses": [
        "On’yomi : コ (ko), オ (o)"
      ]
    },
    {
      "glosses": [
        "Kun’yomi : か (ka), ああ (aa), かな (kana), や (ya), よ (yo), を (wo)"
      ]
    },
    {
      "glosses": [
        "Sens général : marque de question (correspond au point d'interrogation en Europe)"
      ]
    }
  ],
  "tags": [
    "letter"
  ],
  "word": "乎"
}