"chicken of the sea" meaning in English

{
  "etymology_text": "From the mid-20th-century advertising jingle of StarKist brand canned tuna. Since used popularly at large for any tuna.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "chicken of the sea (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English genericized trademarks",
          "parents": [
            "Genericized trademarks",
            "Terms by etymology",
            "Trademarks",
            "Terms by usage"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Seafood",
          "orig": "en:Seafood",
          "parents": [
            "Foods",
            "Eating",
            "Food and drink",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "chickpea of the sea"
        }
      ],
      "glosses": [
        "Tuna."
      ],
      "id": "en-chicken_of_the_sea-en-noun-6AUDejt4",
      "links": [
        [
          "Tuna",
          "tuna"
        ]
      ],
      "raw_glosses": [
        "(US, food, colloquial) Tuna."
      ],
      "related": [
        {
          "word": "cockroach of the sea"
        }
      ],
      "tags": [
        "US",
        "colloquial",
        "uncountable"
      ],
      "topics": [
        "food",
        "lifestyle"
      ],
      "wikipedia": [
        "en:StarKist"
      ]
    }
  ],
  "word": "chicken of the sea"
}

{
  "derived": [
    {
      "word": "chickpea of the sea"
    }
  ],
  "etymology_text": "From the mid-20th-century advertising jingle of StarKist brand canned tuna. Since used popularly at large for any tuna.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "chicken of the sea (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "cockroach of the sea"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English colloquialisms",
        "English entries with incorrect language header",
        "English genericized trademarks",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Seafood"
      ],
      "glosses": [
        "Tuna."
      ],
      "links": [
        [
          "Tuna",
          "tuna"
        ]
      ],
      "raw_glosses": [
        "(US, food, colloquial) Tuna."
      ],
      "tags": [
        "US",
        "colloquial",
        "uncountable"
      ],
      "topics": [
        "food",
        "lifestyle"
      ],
      "wikipedia": [
        "en:StarKist"
      ]
    }
  ],
  "word": "chicken of the sea"
}