"lightweight spaceship" meaning in English

{
  "forms": [
    {
      "form": "lightweight spaceships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lightweight spaceship (plural lightweight spaceships)",
      "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": "Cellular automata",
          "orig": "en:Cellular automata",
          "parents": [
            "Mathematics",
            "Theory of computing",
            "Formal sciences",
            "Computer science",
            "Sciences",
            "Computing",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1992 August 13, David Bell, “Spaceships in Conway's Life (Part 1)”, in comp.theory.cell-automata (Usenet)",
          "text": "To begin with and to be complete, I will list the original spaceships. These are the glider, the lightweight spaceship (LWSS), middleweight spaceship (MWSS), and the heavyweight spaceship (HWSS). These were all found very soon after Life was invented by Conway.",
          "type": "quotation"
        },
        {
          "ref": "1994 May 14, Paul Callahan, “Louis Howell's question of block clearing in life (simple solution)”, in comp.theory.cell-automata (Usenet)",
          "text": "It's a reaction between a glider and a lightweight spaceship spark, nondestructive to the spaceship (so it can be used in puffers):",
          "type": "quotation"
        },
        {
          "ref": "2008 May 31, Dave Greene, “Life: B37/S23 - A Chaotic Universe.”, in comp.theory.cell-automata (Usenet)",
          "text": "The usual non-glider suspects from Conway's Life (lightweight, middleweight, and heavyweight spaceships) all fail here due to central 7-neighbor OFF cells.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A particular orthogonal spaceship in Conway's Game of Life, and the smallest such example."
      ],
      "id": "en-lightweight_spaceship-en-noun-x0zr1YpS",
      "links": [
        [
          "cellular automata",
          "cellular automata"
        ],
        [
          "orthogonal",
          "orthogonal"
        ],
        [
          "spaceship",
          "spaceship"
        ],
        [
          "Game of Life",
          "Game of Life"
        ]
      ],
      "raw_glosses": [
        "(cellular automata) A particular orthogonal spaceship in Conway's Game of Life, and the smallest such example."
      ],
      "related": [
        {
          "word": "middleweight spaceship"
        }
      ],
      "synonyms": [
        {
          "word": "LWSS"
        }
      ],
      "topics": [
        "cellular-automata",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "lightweight spaceship"
}

{
  "forms": [
    {
      "form": "lightweight spaceships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lightweight spaceship (plural lightweight spaceships)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "middleweight spaceship"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Cellular automata"
      ],
      "examples": [
        {
          "ref": "1992 August 13, David Bell, “Spaceships in Conway's Life (Part 1)”, in comp.theory.cell-automata (Usenet)",
          "text": "To begin with and to be complete, I will list the original spaceships. These are the glider, the lightweight spaceship (LWSS), middleweight spaceship (MWSS), and the heavyweight spaceship (HWSS). These were all found very soon after Life was invented by Conway.",
          "type": "quotation"
        },
        {
          "ref": "1994 May 14, Paul Callahan, “Louis Howell's question of block clearing in life (simple solution)”, in comp.theory.cell-automata (Usenet)",
          "text": "It's a reaction between a glider and a lightweight spaceship spark, nondestructive to the spaceship (so it can be used in puffers):",
          "type": "quotation"
        },
        {
          "ref": "2008 May 31, Dave Greene, “Life: B37/S23 - A Chaotic Universe.”, in comp.theory.cell-automata (Usenet)",
          "text": "The usual non-glider suspects from Conway's Life (lightweight, middleweight, and heavyweight spaceships) all fail here due to central 7-neighbor OFF cells.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A particular orthogonal spaceship in Conway's Game of Life, and the smallest such example."
      ],
      "links": [
        [
          "cellular automata",
          "cellular automata"
        ],
        [
          "orthogonal",
          "orthogonal"
        ],
        [
          "spaceship",
          "spaceship"
        ],
        [
          "Game of Life",
          "Game of Life"
        ]
      ],
      "raw_glosses": [
        "(cellular automata) A particular orthogonal spaceship in Conway's Game of Life, and the smallest such example."
      ],
      "topics": [
        "cellular-automata",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "LWSS"
    }
  ],
  "word": "lightweight spaceship"
}