"dry speller" meaning in English

{
  "forms": [
    {
      "form": "dry spellers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dry speller (plural dry spellers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "truecel"
        },
        {
          "word": "KHHV"
        },
        {
          "word": "permavirgin"
        },
        {
          "word": "WBAFC"
        },
        {
          "word": "wizard"
        },
        {
          "word": "genetic dead end"
        },
        {
          "word": "forever alone"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              98,
              109
            ]
          ],
          "text": "Becuase its an all-male environment, practically everyone who works at the oil rig is a long-term dry speller.",
          "type": "example"
        }
      ],
      "glosses": [
        "A person who is going through a dry spell; a sexless person"
      ],
      "id": "en-dry_speller-en-noun-Q6BSk7oB",
      "links": [
        [
          "dry spell",
          "dry spell"
        ],
        [
          "sexless",
          "sexless"
        ]
      ]
    }
  ],
  "word": "dry speller"
}

{
  "forms": [
    {
      "form": "dry spellers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dry speller (plural dry spellers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Pages with 1 entry",
        "Pages with entries"
      ],
      "coordinate_terms": [
        {
          "word": "truecel"
        },
        {
          "word": "KHHV"
        },
        {
          "word": "permavirgin"
        },
        {
          "word": "WBAFC"
        },
        {
          "word": "wizard"
        },
        {
          "word": "genetic dead end"
        },
        {
          "word": "forever alone"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              98,
              109
            ]
          ],
          "text": "Becuase its an all-male environment, practically everyone who works at the oil rig is a long-term dry speller.",
          "type": "example"
        }
      ],
      "glosses": [
        "A person who is going through a dry spell; a sexless person"
      ],
      "links": [
        [
          "dry spell",
          "dry spell"
        ],
        [
          "sexless",
          "sexless"
        ]
      ]
    }
  ],
  "word": "dry speller"
}