"many-to-one" meaning in English

{
  "antonyms": [
    {
      "word": "one-to-many"
    }
  ],
  "etymology_text": ": many-to-one <→ δείτε τις λέξεις many, to και one",
  "forms": [
    {
      "form": "many-to-one"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "many-to-many"
    },
    {
      "word": "one-to-one"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Βάσεις δεδομένων (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "υπερώνυμα : relationship, relation"
        }
      ],
      "glosses": [
        ", (για σχέσεις πινάκων) πολλά-προς-ένα"
      ],
      "id": "el-many-to-one-en-adj-0in2azNn",
      "raw_tags": [
        "βάσεις δεδομένων"
      ]
    }
  ],
  "word": "many-to-one"
}

{
  "antonyms": [
    {
      "word": "one-to-many"
    }
  ],
  "etymology_text": ": many-to-one <→ δείτε τις λέξεις many, to και one",
  "forms": [
    {
      "form": "many-to-one"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "many-to-many"
    },
    {
      "word": "one-to-one"
    }
  ],
  "senses": [
    {
      "categories": [
        "Βάσεις δεδομένων (αγγλικά)"
      ],
      "examples": [
        {
          "text": "υπερώνυμα : relationship, relation"
        }
      ],
      "glosses": [
        ", (για σχέσεις πινάκων) πολλά-προς-ένα"
      ],
      "raw_tags": [
        "βάσεις δεδομένων"
      ]
    }
  ],
  "word": "many-to-one"
}