"tiller truck" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tiller",
        "3": "truck"
      },
      "expansion": "tiller + truck",
      "name": "compound"
    }
  ],
  "etymology_text": "tiller + truck From having rear-wheel steering similar to a boat's tiller, on the truck",
  "forms": [
    {
      "form": "tiller trucks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tiller truck (plural tiller trucks)",
      "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": "topical",
          "langcode": "en",
          "name": "Firefighting",
          "orig": "en:Firefighting",
          "parents": [
            "Emergency services",
            "Fire",
            "Public safety",
            "Combustion",
            "Light sources",
            "Public administration",
            "Security",
            "Chemical processes",
            "Light",
            "Government",
            "Society",
            "Nature",
            "Energy",
            "Politics",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Vehicles",
          "orig": "en:Vehicles",
          "parents": [
            "Machines",
            "Transport",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "tillerman"
        }
      ],
      "glosses": [
        "A type of firetruck, an aerial ladder truck that is articulated with a tillerman's position to steer the rear of the trailer into tight spaces."
      ],
      "id": "en-tiller_truck-en-noun-P4Q2jxOB",
      "links": [
        [
          "firetruck",
          "firetruck"
        ],
        [
          "aerial ladder truck",
          "aerial ladder truck"
        ],
        [
          "tillerman",
          "tillerman"
        ]
      ]
    }
  ],
  "word": "tiller truck"
}

{
  "derived": [
    {
      "word": "tillerman"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tiller",
        "3": "truck"
      },
      "expansion": "tiller + truck",
      "name": "compound"
    }
  ],
  "etymology_text": "tiller + truck From having rear-wheel steering similar to a boat's tiller, on the truck",
  "forms": [
    {
      "form": "tiller trucks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tiller truck (plural tiller trucks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Firefighting",
        "en:Vehicles"
      ],
      "glosses": [
        "A type of firetruck, an aerial ladder truck that is articulated with a tillerman's position to steer the rear of the trailer into tight spaces."
      ],
      "links": [
        [
          "firetruck",
          "firetruck"
        ],
        [
          "aerial ladder truck",
          "aerial ladder truck"
        ],
        [
          "tillerman",
          "tillerman"
        ]
      ]
    }
  ],
  "word": "tiller truck"
}