"مطرة" meaning in Arabic

{
  "forms": [
    {
      "form": "مَطِرَة",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "maṭira",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Arabic entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ar",
          "name": "Rain",
          "orig": "ar:Rain",
          "parents": [
            "Water",
            "Weather",
            "Liquids",
            "Atmosphere",
            "Matter",
            "Nature",
            "Chemistry",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "maṭir",
          "word": "مَطِر"
        }
      ],
      "glosses": [
        "feminine singular of مَطِر (maṭir)"
      ],
      "id": "en-مطرة-ar-adj-WqU65hNi",
      "links": [
        [
          "مَطِر",
          "مطر#Arabic"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "word": "مطرة"
}

{
  "forms": [
    {
      "form": "مَطِرَة",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "maṭira",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Arabic adjective feminine forms",
        "Arabic entries with incorrect language header",
        "Arabic entries with topic categories using raw markup",
        "Arabic non-lemma forms",
        "ar:Rain"
      ],
      "form_of": [
        {
          "extra": "maṭir",
          "word": "مَطِر"
        }
      ],
      "glosses": [
        "feminine singular of مَطِر (maṭir)"
      ],
      "links": [
        [
          "مَطِر",
          "مطر#Arabic"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "word": "مطرة"
}