"prober" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "probe",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish probe\nEnglish -er\nEnglish prober\nFrom probe + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish probe\nEnglish -er\nEnglish prober\nFrom probe + -er.",
  "forms": [
    {
      "form": "probers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prober (plural probers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries referencing ambiguous etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "one who probes",
          "word": "probe"
        }
      ],
      "glosses": [
        "Agent noun of probe; one who probes."
      ],
      "id": "en-prober-en-noun-Sn6Ar8EJ",
      "links": [
        [
          "Agent noun",
          "agent noun"
        ],
        [
          "probe",
          "probe"
        ]
      ],
      "tags": [
        "agent",
        "form-of"
      ]
    }
  ],
  "word": "prober"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "probe",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish probe\nEnglish -er\nEnglish prober\nFrom probe + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish probe\nEnglish -er\nEnglish prober\nFrom probe + -er.",
  "forms": [
    {
      "form": "probers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prober (plural probers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English agent nouns",
        "English countable nouns",
        "English entries referencing ambiguous etymons",
        "English entries referencing missing etymons",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er",
        "Pages using etymon with no ID",
        "Pages with 2 entries",
        "Pages with entries",
        "Pages with etymology trees"
      ],
      "form_of": [
        {
          "extra": "one who probes",
          "word": "probe"
        }
      ],
      "glosses": [
        "Agent noun of probe; one who probes."
      ],
      "links": [
        [
          "Agent noun",
          "agent noun"
        ],
        [
          "probe",
          "probe"
        ]
      ],
      "tags": [
        "agent",
        "form-of"
      ]
    }
  ],
  "word": "prober"
}