"sub-surface" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "sub-surface",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "subsurface"
        }
      ],
      "categories": [
        {
          "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": [
        {
          "bold_text_offsets": [
            [
              82,
              93
            ]
          ],
          "ref": "2019 October, “Edgware Rd cabin closes”, in Modern Railways, page 22:",
          "text": "The next two stages of new signalling equipment went live on London Underground's sub-surface lines at the beginning of September.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative spelling of subsurface"
      ],
      "id": "en-sub-surface-en-adj-1-FyBft-",
      "links": [
        [
          "subsurface",
          "subsurface#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sub-surface"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "sub-surface",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "subsurface"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              82,
              93
            ]
          ],
          "ref": "2019 October, “Edgware Rd cabin closes”, in Modern Railways, page 22:",
          "text": "The next two stages of new signalling equipment went live on London Underground's sub-surface lines at the beginning of September.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative spelling of subsurface"
      ],
      "links": [
        [
          "subsurface",
          "subsurface#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sub-surface"
}