"sale or return" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?"
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      "expansion": "sale or return",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "79 21",
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
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          "source": "w+disamb"
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          "_dis": "75 25",
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            "Entry maintenance"
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          "source": "w+disamb"
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      ],
      "glosses": [
        "The lending of goods to a retailer on condition that the latter may return any he has not sold."
      ],
      "id": "en-sale_or_return-en-noun-XYMnxi1b",
      "links": [
        [
          "retailer",
          "retailer"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The lending of goods to a retailer on condition that the latter may return any he has not sold."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [],
      "coordinate_terms": [
        {
          "_dis1": "36 64",
          "word": "sale on approval"
        }
      ],
      "glosses": [
        "A sale (to a retailer) under this mechanism."
      ],
      "id": "en-sale_or_return-en-noun-hZRFXjyA",
      "raw_glosses": [
        "(countable) A sale (to a retailer) under this mechanism."
      ],
      "related": [
        {
          "_dis1": "36 64",
          "word": "appro"
        }
      ],
      "tags": [
        "countable"
      ]
    }
  ],
  "word": "sale or return"
}

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    "English coordinated pairs",
    "English countable nouns",
    "English entries with incorrect language header",
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  "coordinate_terms": [
    {
      "word": "sale on approval"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "sale or return",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "appro"
    }
  ],
  "senses": [
    {
      "categories": [
        "English uncountable nouns"
      ],
      "glosses": [
        "The lending of goods to a retailer on condition that the latter may return any he has not sold."
      ],
      "links": [
        [
          "retailer",
          "retailer"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The lending of goods to a retailer on condition that the latter may return any he has not sold."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English countable nouns"
      ],
      "glosses": [
        "A sale (to a retailer) under this mechanism."
      ],
      "raw_glosses": [
        "(countable) A sale (to a retailer) under this mechanism."
      ],
      "tags": [
        "countable"
      ]
    }
  ],
  "word": "sale or return"
}