"L-system" meaning in English

{
  "etymology_text": "Introduced in 1968 by Aristid Lindenmayer, Hungarian theoretical biologist and botanist.",
  "forms": [
    {
      "form": "L-systems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "L-system (plural L-systems)",
      "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"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Fractals",
          "orig": "en:Fractals",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A parallel rewriting system; a rewriting system in which as many rewrite rules as possible are applied at each step."
      ],
      "id": "en-L-system-en-noun-WPFPw6fm",
      "links": [
        [
          "system",
          "system"
        ]
      ],
      "related": [
        {
          "word": "formal grammar"
        }
      ],
      "synonyms": [
        {
          "word": "Lindenmayer system"
        }
      ],
      "wikipedia": [
        "L-system"
      ]
    }
  ],
  "word": "L-system"
}

{
  "etymology_text": "Introduced in 1968 by Aristid Lindenmayer, Hungarian theoretical biologist and botanist.",
  "forms": [
    {
      "form": "L-systems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "L-system (plural L-systems)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "formal grammar"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Fractals"
      ],
      "glosses": [
        "A parallel rewriting system; a rewriting system in which as many rewrite rules as possible are applied at each step."
      ],
      "links": [
        [
          "system",
          "system"
        ]
      ],
      "wikipedia": [
        "L-system"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Lindenmayer system"
    }
  ],
  "word": "L-system"
}