"purple lettuce" meaning in English

{
  "forms": [
    {
      "form": "purple lettuces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "purple lettuce (usually uncountable, plural purple lettuces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "name": "Terms with French translations",
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Cichorieae tribe plants",
          "orig": "en:Cichorieae tribe plants",
          "parents": [
            "Composites",
            "Asterales order plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A European perennial herb related to lettuce, Prenanthes purpurea"
      ],
      "id": "en-purple_lettuce-en-noun-EkclUqKI",
      "links": [
        [
          "perennial",
          "perennial"
        ],
        [
          "herb",
          "herb"
        ],
        [
          "lettuce",
          "lettuce"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Prenanthes purpurea",
          "tags": [
            "masculine"
          ],
          "word": "prénanthe pourpre"
        }
      ]
    }
  ],
  "word": "purple lettuce"
}

{
  "forms": [
    {
      "form": "purple lettuces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "purple lettuce (usually uncountable, plural purple lettuces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "English uncountable nouns",
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        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "en:Cichorieae tribe plants"
      ],
      "glosses": [
        "A European perennial herb related to lettuce, Prenanthes purpurea"
      ],
      "links": [
        [
          "perennial",
          "perennial"
        ],
        [
          "herb",
          "herb"
        ],
        [
          "lettuce",
          "lettuce"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Prenanthes purpurea",
      "tags": [
        "masculine"
      ],
      "word": "prénanthe pourpre"
    }
  ],
  "word": "purple lettuce"
}