"jam doughnut" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "jam",
        "3": "doughnut"
      },
      "expansion": "jam + doughnut",
      "name": "compound"
    }
  ],
  "etymology_text": "jam + doughnut",
  "forms": [
    {
      "form": "jam doughnuts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jam doughnut (plural jam doughnuts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Commonwealth English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A doughnut filled with jam and usually topped with sugar."
      ],
      "id": "en-jam_doughnut-en-noun-V6ZKIpyu",
      "links": [
        [
          "doughnut",
          "doughnut"
        ],
        [
          "jam",
          "jam"
        ]
      ],
      "raw_glosses": [
        "(Commonwealth) A doughnut filled with jam and usually topped with sugar."
      ],
      "synonyms": [
        {
          "sense": "in various dialects",
          "word": "jelly doughnut"
        },
        {
          "word": "Berliner"
        },
        {
          "word": "bismarck"
        },
        {
          "word": "Burlington bun"
        },
        {
          "word": "jambuster"
        }
      ],
      "tags": [
        "Commonwealth"
      ]
    }
  ],
  "word": "jam doughnut"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "jam",
        "3": "doughnut"
      },
      "expansion": "jam + doughnut",
      "name": "compound"
    }
  ],
  "etymology_text": "jam + doughnut",
  "forms": [
    {
      "form": "jam doughnuts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jam doughnut (plural jam doughnuts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Commonwealth English",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A doughnut filled with jam and usually topped with sugar."
      ],
      "links": [
        [
          "doughnut",
          "doughnut"
        ],
        [
          "jam",
          "jam"
        ]
      ],
      "raw_glosses": [
        "(Commonwealth) A doughnut filled with jam and usually topped with sugar."
      ],
      "tags": [
        "Commonwealth"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "in various dialects",
      "word": "jelly doughnut"
    },
    {
      "word": "Berliner"
    },
    {
      "word": "bismarck"
    },
    {
      "word": "Burlington bun"
    },
    {
      "word": "jambuster"
    }
  ],
  "word": "jam doughnut"
}