"step-through" meaning in English

{
  "antonyms": [
    {
      "word": "step-over"
    }
  ],
  "forms": [
    {
      "form": "step-throughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "step-through (plural step-throughs)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "A motor-scooter has a step-through frame, also known as an \"open frame\".",
          "type": "example"
        }
      ],
      "glosses": [
        "An open space in an otherwise solid object through which a person can step or walk."
      ],
      "id": "en-step-through-en-noun-LeJnK~iD",
      "links": [
        [
          "solid",
          "solid"
        ]
      ],
      "raw_glosses": [
        "(chiefly attributive) An open space in an otherwise solid object through which a person can step or walk."
      ],
      "synonyms": [
        {
          "word": "step-thru"
        }
      ],
      "tags": [
        "attributive"
      ]
    }
  ],
  "word": "step-through"
}

{
  "antonyms": [
    {
      "word": "step-over"
    }
  ],
  "forms": [
    {
      "form": "step-throughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "step-through (plural step-throughs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "A motor-scooter has a step-through frame, also known as an \"open frame\".",
          "type": "example"
        }
      ],
      "glosses": [
        "An open space in an otherwise solid object through which a person can step or walk."
      ],
      "links": [
        [
          "solid",
          "solid"
        ]
      ],
      "raw_glosses": [
        "(chiefly attributive) An open space in an otherwise solid object through which a person can step or walk."
      ],
      "tags": [
        "attributive"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "step-thru"
    }
  ],
  "word": "step-through"
}