"Spithead" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spit",
        "3": "head",
        "t1": "sandy peninsula"
      },
      "expansion": "spit (“sandy peninsula”) + head",
      "name": "af"
    }
  ],
  "etymology_text": "From spit (“sandy peninsula”) + head.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Spithead",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Places in England",
          "orig": "en:Places in England",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A sea area in the Solent, southern England, between Portsmouth and the Isle of Wight."
      ],
      "id": "en-Spithead-en-name-hXELqfmH",
      "links": [
        [
          "Solent",
          "Solent#English"
        ],
        [
          "England",
          "England#English"
        ],
        [
          "Portsmouth",
          "Portsmouth#English"
        ],
        [
          "Isle of Wight",
          "Isle of Wight#English"
        ]
      ]
    }
  ],
  "word": "Spithead"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spit",
        "3": "head",
        "t1": "sandy peninsula"
      },
      "expansion": "spit (“sandy peninsula”) + head",
      "name": "af"
    }
  ],
  "etymology_text": "From spit (“sandy peninsula”) + head.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Spithead",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English uncountable nouns",
        "en:Places in England"
      ],
      "glosses": [
        "A sea area in the Solent, southern England, between Portsmouth and the Isle of Wight."
      ],
      "links": [
        [
          "Solent",
          "Solent#English"
        ],
        [
          "England",
          "England#English"
        ],
        [
          "Portsmouth",
          "Portsmouth#English"
        ],
        [
          "Isle of Wight",
          "Isle of Wight#English"
        ]
      ]
    }
  ],
  "word": "Spithead"
}