"tridem" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tri-",
        "3": "tandem"
      },
      "expansion": "Blend of tri- + tandem",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of tri- + tandem.",
  "forms": [
    {
      "form": "tridems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tridem (plural tridems)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "tridem axle"
        }
      ],
      "examples": [
        {
          "ref": "1990, Truck Weight Limits: Issues and Options, Washington, D.C.: Transportation Research Board, page 187:",
          "text": "Four-axle trucks with a conventional 9-ft overall spacing for the tridem axle would have a maximum GVW of 64,000 lb (limited by 44,000 lb on the tridem).",
          "type": "quote"
        },
        {
          "ref": "2015 May 5, “Appendix A: State Truck Size and Weight Laws”, in Anthony R. Foxx, editor, Compilation of Existing State Truck Size and Weight Limit Laws, Washington, D.C.: Federal Highway Administration, retrieved 2019-06-25:",
          "text": "The State bridge formula allows 42,000 lbs. on a tridem axle on non-Interstate highways.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An arrangement of three objects arranged one behind the other."
      ],
      "id": "en-tridem-en-noun-5d2yd-bM",
      "synonyms": [
        {
          "word": "triple"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɹaɪdəm/"
    }
  ],
  "word": "tridem"
}

{
  "derived": [
    {
      "word": "tridem axle"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tri-",
        "3": "tandem"
      },
      "expansion": "Blend of tri- + tandem",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of tri- + tandem.",
  "forms": [
    {
      "form": "tridems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tridem (plural tridems)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English blends",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1990, Truck Weight Limits: Issues and Options, Washington, D.C.: Transportation Research Board, page 187:",
          "text": "Four-axle trucks with a conventional 9-ft overall spacing for the tridem axle would have a maximum GVW of 64,000 lb (limited by 44,000 lb on the tridem).",
          "type": "quote"
        },
        {
          "ref": "2015 May 5, “Appendix A: State Truck Size and Weight Laws”, in Anthony R. Foxx, editor, Compilation of Existing State Truck Size and Weight Limit Laws, Washington, D.C.: Federal Highway Administration, retrieved 2019-06-25:",
          "text": "The State bridge formula allows 42,000 lbs. on a tridem axle on non-Interstate highways.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An arrangement of three objects arranged one behind the other."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɹaɪdəm/"
    }
  ],
  "synonyms": [
    {
      "word": "triple"
    }
  ],
  "word": "tridem"
}