"side valve" meaning in English

{
  "forms": [
    {
      "form": "side valves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "side valve (plural side valves)",
      "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": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder block beside the piston. The cylinder head is then a simple dome extending across the valves and piston."
      ],
      "id": "en-side_valve-en-noun-RhoLcIl6",
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ]
      ],
      "raw_glosses": [
        "(automotive) A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder block beside the piston. The cylinder head is then a simple dome extending across the valves and piston."
      ],
      "related": [
        {
          "word": "overhead cam"
        },
        {
          "word": "overhead valve"
        }
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "word": "side valve"
}

{
  "forms": [
    {
      "form": "side valves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "side valve (plural side valves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "overhead cam"
    },
    {
      "word": "overhead valve"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Automotive"
      ],
      "glosses": [
        "A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder block beside the piston. The cylinder head is then a simple dome extending across the valves and piston."
      ],
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ]
      ],
      "raw_glosses": [
        "(automotive) A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder block beside the piston. The cylinder head is then a simple dome extending across the valves and piston."
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "word": "side valve"
}