"pushdown" meaning in English

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        "1": "en",
        "2": "push",
        "3": "down"
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      "expansion": "push + down",
      "name": "af"
    }
  ],
  "etymology_text": "From push + down; by analogy with a spring-loaded stack of plates in a cafeteria.",
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      "expansion": "pushdown (not comparable)",
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  "lang_code": "en",
  "pos": "adj",
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          "langcode": "en",
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      "glosses": [
        "Describing a stack in which items are removed in a LIFO manner from the end at which they were added."
      ],
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          "computing",
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          "stack",
          "stack"
        ],
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          "LIFO",
          "LIFO"
        ]
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      "raw_glosses": [
        "(computing) Describing a stack in which items are removed in a LIFO manner from the end at which they were added."
      ],
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        "not-comparable"
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "pushdown"
}

{
  "etymology_number": 1,
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    {
      "args": {
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        "2": "push",
        "3": "down"
      },
      "expansion": "push + down",
      "name": "af"
    }
  ],
  "etymology_text": "From push + down; by analogy with a spring-loaded stack of plates in a cafeteria.",
  "forms": [
    {
      "form": "pushdowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "pushdown (plural pushdowns)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "20 66 14",
          "kind": "other",
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          "parents": [],
          "source": "w+disamb"
        },
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          "_dis": "21 66 12",
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        {
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          "kind": "other",
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        {
          "_dis": "19 68 13",
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          "parents": [],
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      "examples": [
        {
          "ref": "2003, Wilfried Brauer, Hartmut Ehrig, Juhani Karhumäki, Formal and Natural Computing: Essays:",
          "text": "Since indexed grammars are context-free grammars with pushdowns, the generalization of Thatcher's result shows that they generate the yields of the tree languages recognized by deterministic pushdown tree automata.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A pushdown automaton."
      ],
      "id": "en-pushdown-en-noun-k9Z1iRf1",
      "links": [
        [
          "pushdown automaton",
          "pushdown automaton"
        ]
      ]
    }
  ],
  "word": "pushdown"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "push down"
      },
      "expansion": "Deverbal from push down",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from push down.",
  "forms": [
    {
      "form": "pushdowns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pushdown (plural pushdowns)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
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          "orig": "en:Bodybuilding",
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            "Fundamental"
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      ],
      "examples": [
        {
          "ref": "(Can we date this quote?), Greg Merritt, “Go Beyond Failure with Dropsets”, in Muscle & Fitness:",
          "text": "Machine exercises with weight stacks, like pushdowns or pulldowns, are ideal for cranking out more than three drops because all you need to do is insert the pin in a higher (lighter) slot each time.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An exercise that requires one to push weight downward."
      ],
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          "bodybuilding",
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          "downward",
          "downward"
        ]
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        "(bodybuilding) An exercise that requires one to push weight downward."
      ],
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        "bodybuilding",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "pushdown"
}

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    "English compound terms",
    "English countable nouns",
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    "English entries with incorrect language header",
    "English lemmas",
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    "English uncomparable adjectives",
    "Pages with 1 entry",
    "Pages with entries"
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    }
  ],
  "etymology_text": "From push + down; by analogy with a spring-loaded stack of plates in a cafeteria.",
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  "lang_code": "en",
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        "Describing a stack in which items are removed in a LIFO manner from the end at which they were added."
      ],
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          "stack"
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        ]
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        "(computing) Describing a stack in which items are removed in a LIFO manner from the end at which they were added."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "pushdown"
}

{
  "categories": [
    "English adjectives",
    "English compound terms",
    "English countable nouns",
    "English deverbals",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "Pages with 1 entry",
    "Pages with entries"
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    {
      "args": {
        "1": "en",
        "2": "push",
        "3": "down"
      },
      "expansion": "push + down",
      "name": "af"
    }
  ],
  "etymology_text": "From push + down; by analogy with a spring-loaded stack of plates in a cafeteria.",
  "forms": [
    {
      "form": "pushdowns",
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        "plural"
      ]
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      "expansion": "pushdown (plural pushdowns)",
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  "lang_code": "en",
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          "ref": "2003, Wilfried Brauer, Hartmut Ehrig, Juhani Karhumäki, Formal and Natural Computing: Essays:",
          "text": "Since indexed grammars are context-free grammars with pushdowns, the generalization of Thatcher's result shows that they generate the yields of the tree languages recognized by deterministic pushdown tree automata.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A pushdown automaton."
      ],
      "links": [
        [
          "pushdown automaton",
          "pushdown automaton"
        ]
      ]
    }
  ],
  "word": "pushdown"
}

{
  "categories": [
    "English countable nouns",
    "English deverbals",
    "English entries with incorrect language header",
    "English lemmas",
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    "Pages with entries"
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      "args": {
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        "2": "push down"
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      "expansion": "Deverbal from push down",
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  ],
  "etymology_text": "Deverbal from push down.",
  "forms": [
    {
      "form": "pushdowns",
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        "plural"
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          "ref": "(Can we date this quote?), Greg Merritt, “Go Beyond Failure with Dropsets”, in Muscle & Fitness:",
          "text": "Machine exercises with weight stacks, like pushdowns or pulldowns, are ideal for cranking out more than three drops because all you need to do is insert the pin in a higher (lighter) slot each time.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An exercise that requires one to push weight downward."
      ],
      "links": [
        [
          "bodybuilding",
          "bodybuilding#Noun"
        ],
        [
          "downward",
          "downward"
        ]
      ],
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        "(bodybuilding) An exercise that requires one to push weight downward."
      ],
      "topics": [
        "bodybuilding",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
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}