"get hold of" meaning in English

{
  "etymology_text": "get hold of < → δείτε τις λέξεις get, hold και of",
  "form_of": [
    {
      "word": "get a hold of"
    },
    {
      "word": "get ahold of"
    }
  ],
  "forms": [
    {
      "form": "get hold of",
      "source": "header"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ιδιωματισμοί (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "How can I get hold of him?",
          "translation": "Πώς μπορώ να έλθω σ' επαφή μαζί του;"
        }
      ],
      "glosses": [
        "έρχομαι σε επαφή με κάποιον"
      ],
      "id": "el-get_hold_of-en-phrase-vhRezuZ6",
      "raw_tags": [
        "ιδιωματισμός"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "get hold of"
}

{
  "etymology_text": "get hold of < → δείτε τις λέξεις get, hold και of",
  "form_of": [
    {
      "word": "get a hold of"
    },
    {
      "word": "get ahold of"
    }
  ],
  "forms": [
    {
      "form": "get hold of",
      "source": "header"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Ιδιωματισμοί (αγγλικά)"
      ],
      "examples": [
        {
          "text": "How can I get hold of him?",
          "translation": "Πώς μπορώ να έλθω σ' επαφή μαζί του;"
        }
      ],
      "glosses": [
        "έρχομαι σε επαφή με κάποιον"
      ],
      "raw_tags": [
        "ιδιωματισμός"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "get hold of"
}