"prix en trompe-l’œil" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Néologismes recommandés en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Œ en français",
      "orig": "œ en français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de prix et de en trompe-l’œil."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français du marketing",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes rares en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Prix magique. Prix de vente d’un produit fixé juste au-dessous du prix arrondi."
      ],
      "id": "fr-prix_en_trompe-l’œil-fr-noun-aGcbO4wi",
      "tags": [
        "rare"
      ],
      "topics": [
        "marketing"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pʁi ɑ̃ tʁɔ̃p.l‿œj\\"
    }
  ],
  "tags": [
    "masculine",
    "plural",
    "singular"
  ],
  "word": "prix en trompe-l’œil"
}

{
  "categories": [
    "Compositions en français",
    "Locutions nominales en français",
    "Néologismes recommandés en français",
    "français",
    "œ en français"
  ],
  "etymology_texts": [
    "Composé de prix et de en trompe-l’œil."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en français du marketing",
        "Termes rares en français"
      ],
      "glosses": [
        "Prix magique. Prix de vente d’un produit fixé juste au-dessous du prix arrondi."
      ],
      "tags": [
        "rare"
      ],
      "topics": [
        "marketing"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pʁi ɑ̃ tʁɔ̃p.l‿œj\\"
    }
  ],
  "tags": [
    "masculine",
    "plural",
    "singular"
  ],
  "word": "prix en trompe-l’œil"
}