"mleczak" meaning in Polonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en polonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en polonais suffixés avec -ak",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en polonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Polonais",
      "orig": "polonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de mleko (« lait »), avec le suffixe -ak."
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin inanimé"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes familiers en polonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Dent de lait."
      ],
      "id": "fr-mleczak-pl-noun-LHxYzMwA",
      "tags": [
        "familiar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mlɛʧ̑ak\\"
    }
  ],
  "synonyms": [
    {
      "word": "ząb mleczny"
    }
  ],
  "word": "mleczak"
}

{
  "categories": [
    "Dérivations en polonais",
    "Mots en polonais suffixés avec -ak",
    "Noms communs en polonais",
    "polonais"
  ],
  "etymology_texts": [
    "Dérivé de mleko (« lait »), avec le suffixe -ak."
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin inanimé"
  ],
  "senses": [
    {
      "categories": [
        "Termes familiers en polonais"
      ],
      "glosses": [
        "Dent de lait."
      ],
      "tags": [
        "familiar"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mlɛʧ̑ak\\"
    }
  ],
  "synonyms": [
    {
      "word": "ząb mleczny"
    }
  ],
  "word": "mleczak"
}