"on sale" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "on sale",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1948, Carey McWilliams, North from Mexico / The Spanish-Speaking People of The United States, J. B. Lippincott Company, page 75",
          "text": "In 1866 Colonel J. F. Meline noted that the rebozo had almost disappeared in Santa Fe and that hoop skirts, on sale in the stores, were being widely used.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Available for purchase."
      ],
      "id": "en-on_sale-en-prep_phrase-bpRlnoRU",
      "links": [
        [
          "purchase",
          "purchase"
        ]
      ],
      "raw_glosses": [
        "(British, Australia) Available for purchase."
      ],
      "synonyms": [
        {
          "_dis1": "70 30",
          "sense": "available for purchase",
          "word": "for sale"
        }
      ],
      "tags": [
        "Australia",
        "British"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Available for purchase at reduced prices."
      ],
      "id": "en-on_sale-en-prep_phrase-p9VBugqc",
      "raw_glosses": [
        "(US, Australia) Available for purchase at reduced prices."
      ],
      "synonyms": [
        {
          "_dis1": "30 70",
          "sense": "available for purchase at reduced prices",
          "tags": [
            "British"
          ],
          "word": "on offer"
        },
        {
          "_dis1": "30 70",
          "sense": "available for purchase at reduced prices",
          "tags": [
            "Australian"
          ],
          "word": "on special"
        }
      ],
      "tags": [
        "Australia",
        "US"
      ]
    }
  ],
  "word": "on sale"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English prepositional phrases"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "on sale",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Australian English",
        "British English",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1948, Carey McWilliams, North from Mexico / The Spanish-Speaking People of The United States, J. B. Lippincott Company, page 75",
          "text": "In 1866 Colonel J. F. Meline noted that the rebozo had almost disappeared in Santa Fe and that hoop skirts, on sale in the stores, were being widely used.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Available for purchase."
      ],
      "links": [
        [
          "purchase",
          "purchase"
        ]
      ],
      "raw_glosses": [
        "(British, Australia) Available for purchase."
      ],
      "tags": [
        "Australia",
        "British"
      ]
    },
    {
      "categories": [
        "American English",
        "Australian English"
      ],
      "glosses": [
        "Available for purchase at reduced prices."
      ],
      "raw_glosses": [
        "(US, Australia) Available for purchase at reduced prices."
      ],
      "tags": [
        "Australia",
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "available for purchase",
      "word": "for sale"
    },
    {
      "sense": "available for purchase at reduced prices",
      "tags": [
        "British"
      ],
      "word": "on offer"
    },
    {
      "sense": "available for purchase at reduced prices",
      "tags": [
        "Australian"
      ],
      "word": "on special"
    }
  ],
  "word": "on sale"
}