"אחד באפריל" meaning in Hebrew

{
  "forms": [
    {
      "form": "אֶחָד בְּאַפְּרִיל",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ekhád be'apríl",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "tr": "ekhád be'apríl",
        "wv": "אֶחָד בְּאַפְּרִיל"
      },
      "expansion": "אֶחָד בְּאַפְּרִיל • (ekhád be'apríl) m",
      "name": "he-proper noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "he",
          "name": "Holidays",
          "orig": "he:Holidays",
          "parents": [
            "Observances",
            "Calendar",
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "April Fools' Day (First day of April)"
      ],
      "id": "en-אחד_באפריל-he-name-4sR2gyNP",
      "links": [
        [
          "April Fools' Day",
          "April Fools' Day"
        ]
      ]
    }
  ],
  "word": "אחד באפריל"
}

{
  "forms": [
    {
      "form": "אֶחָד בְּאַפְּרִיל",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ekhád be'apríl",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "tr": "ekhád be'apríl",
        "wv": "אֶחָד בְּאַפְּרִיל"
      },
      "expansion": "אֶחָד בְּאַפְּרִיל • (ekhád be'apríl) m",
      "name": "he-proper noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Hebrew masculine nouns",
        "Hebrew multiword terms",
        "Hebrew proper nouns",
        "he:Holidays"
      ],
      "glosses": [
        "April Fools' Day (First day of April)"
      ],
      "links": [
        [
          "April Fools' Day",
          "April Fools' Day"
        ]
      ]
    }
  ],
  "word": "אחד באפריל"
}