"backward pass" meaning in English

{
  "forms": [
    {
      "form": "backward passes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backward pass (plural backward passes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Football (American)",
          "orig": "en:Football (American)",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "_dis1": "70 30",
          "word": "forward pass"
        }
      ],
      "glosses": [
        "A pass thrown backwards instead of forward, equivalent in the rules to a hand-off."
      ],
      "hyponyms": [
        {
          "_dis1": "70 30",
          "word": "lateral pass"
        }
      ],
      "id": "en-backward_pass-en-noun-YzYoaYxY",
      "links": [
        [
          "American football",
          "American football"
        ],
        [
          "pass",
          "pass"
        ],
        [
          "hand-off",
          "hand-off"
        ]
      ],
      "raw_glosses": [
        "(American football) A pass thrown backwards instead of forward, equivalent in the rules to a hand-off."
      ],
      "topics": [
        "American-football",
        "ball-games",
        "football",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Machine learning",
          "orig": "en:Machine learning",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "36 64",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The step of the backpropagation algorithm wherein the error gradient is applied in reverse order through the neural network by recursive application of the chain rule."
      ],
      "id": "en-backward_pass-en-noun-zDqpjloY",
      "links": [
        [
          "machine learning",
          "machine learning"
        ],
        [
          "backpropagation",
          "backpropagation"
        ],
        [
          "error",
          "error"
        ],
        [
          "gradient",
          "gradient"
        ],
        [
          "neural network",
          "neural network"
        ],
        [
          "chain rule",
          "chain rule"
        ]
      ],
      "qualifier": "machine learning",
      "raw_glosses": [
        "(machine learning) The step of the backpropagation algorithm wherein the error gradient is applied in reverse order through the neural network by recursive application of the chain rule."
      ]
    }
  ],
  "word": "backward pass"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "coordinate_terms": [
    {
      "word": "forward pass"
    }
  ],
  "forms": [
    {
      "form": "backward passes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backward pass (plural backward passes)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "lateral pass"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Football (American)"
      ],
      "glosses": [
        "A pass thrown backwards instead of forward, equivalent in the rules to a hand-off."
      ],
      "links": [
        [
          "American football",
          "American football"
        ],
        [
          "pass",
          "pass"
        ],
        [
          "hand-off",
          "hand-off"
        ]
      ],
      "raw_glosses": [
        "(American football) A pass thrown backwards instead of forward, equivalent in the rules to a hand-off."
      ],
      "topics": [
        "American-football",
        "ball-games",
        "football",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "categories": [
        "en:Machine learning"
      ],
      "glosses": [
        "The step of the backpropagation algorithm wherein the error gradient is applied in reverse order through the neural network by recursive application of the chain rule."
      ],
      "links": [
        [
          "machine learning",
          "machine learning"
        ],
        [
          "backpropagation",
          "backpropagation"
        ],
        [
          "error",
          "error"
        ],
        [
          "gradient",
          "gradient"
        ],
        [
          "neural network",
          "neural network"
        ],
        [
          "chain rule",
          "chain rule"
        ]
      ],
      "qualifier": "machine learning",
      "raw_glosses": [
        "(machine learning) The step of the backpropagation algorithm wherein the error gradient is applied in reverse order through the neural network by recursive application of the chain rule."
      ]
    }
  ],
  "word": "backward pass"
}