"rice rocket" meaning in English

{
  "etymology_text": "So called because rice is a staple food in Japan, and rockets are known for their high speed.",
  "forms": [
    {
      "form": "rice rockets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rice rocket (plural rice rockets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English ethnic slurs",
          "parents": [
            "Ethnic slurs",
            "Offensive terms",
            "Terms by usage"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Motorcycles",
          "orig": "en:Motorcycles",
          "parents": [
            "Vehicles",
            "Machines",
            "Transport",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Japanese high-performance sport motorcycle or street-racing car."
      ],
      "id": "en-rice_rocket-en-noun-JSgmVCT7",
      "links": [
        [
          "ethnic",
          "ethnic"
        ],
        [
          "slur",
          "slur"
        ],
        [
          "humorous",
          "humorous"
        ],
        [
          "high-performance",
          "high-performance"
        ],
        [
          "motorcycle",
          "motorcycle"
        ]
      ],
      "raw_glosses": [
        "(slang, ethnic slur, humorous) A Japanese high-performance sport motorcycle or street-racing car."
      ],
      "related": [
        {
          "word": "crotch rocket"
        }
      ],
      "tags": [
        "ethnic",
        "humorous",
        "slang",
        "slur"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-rice rocket.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7e/En-au-rice_rocket.ogg/En-au-rice_rocket.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7e/En-au-rice_rocket.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "rice rocket"
}

{
  "etymology_text": "So called because rice is a staple food in Japan, and rockets are known for their high speed.",
  "forms": [
    {
      "form": "rice rockets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rice rocket (plural rice rockets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "crotch rocket"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English ethnic slurs",
        "English humorous terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "en:Motorcycles"
      ],
      "glosses": [
        "A Japanese high-performance sport motorcycle or street-racing car."
      ],
      "links": [
        [
          "ethnic",
          "ethnic"
        ],
        [
          "slur",
          "slur"
        ],
        [
          "humorous",
          "humorous"
        ],
        [
          "high-performance",
          "high-performance"
        ],
        [
          "motorcycle",
          "motorcycle"
        ]
      ],
      "raw_glosses": [
        "(slang, ethnic slur, humorous) A Japanese high-performance sport motorcycle or street-racing car."
      ],
      "tags": [
        "ethnic",
        "humorous",
        "slang",
        "slur"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-rice rocket.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7e/En-au-rice_rocket.ogg/En-au-rice_rocket.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7e/En-au-rice_rocket.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "rice rocket"
}