"billyboy" meaning in English

{
  "etymology_text": "Perhaps connected with bilander.",
  "forms": [
    {
      "form": "billyboys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "billyboy (plural billyboys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British 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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1951, Basil Greenhill, The Merchant Schooners, volume 2, page 94:",
          "text": "Most of these billyboys were small craft, seldom carrying more than 100 tons; but there were larger craft schooner rigged.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A flat-bottomed river barge or coasting vessel."
      ],
      "id": "en-billyboy-en-noun-3D8FBHYR",
      "links": [
        [
          "river",
          "river"
        ],
        [
          "barge",
          "barge"
        ]
      ],
      "raw_glosses": [
        "(UK) A flat-bottomed river barge or coasting vessel."
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "billyboy"
}

{
  "etymology_text": "Perhaps connected with bilander.",
  "forms": [
    {
      "form": "billyboys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "billyboy (plural billyboys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1951, Basil Greenhill, The Merchant Schooners, volume 2, page 94:",
          "text": "Most of these billyboys were small craft, seldom carrying more than 100 tons; but there were larger craft schooner rigged.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A flat-bottomed river barge or coasting vessel."
      ],
      "links": [
        [
          "river",
          "river"
        ],
        [
          "barge",
          "barge"
        ]
      ],
      "raw_glosses": [
        "(UK) A flat-bottomed river barge or coasting vessel."
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "billyboy"
}