"conditioner" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Λέξεις με επίθημα -er (αγγλικά)",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": ": conditioner < condition + -er",
  "forms": [
    {
      "form": "conditioner"
    },
    {
      "form": "en-noun-s",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "conditioner",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "conditioners",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "πχ air conditioner"
        }
      ],
      "glosses": [
        "κάτι που βελτιώνει"
      ],
      "id": "el-conditioner-en-noun-4vxM1RgP"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Κοσμετολογία (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "το μαλακτικό, η λοσιόν για τα μαλλιά"
      ],
      "id": "el-conditioner-en-noun-T3m8WPDk",
      "raw_tags": [
        "κοσμετολογία"
      ]
    },
    {
      "glosses": [
        "γυμναστής, προπονητής"
      ],
      "id": "el-conditioner-en-noun-V3HyJscp"
    }
  ],
  "word": "conditioner"
}

{
  "categories": [
    "Λέξεις με επίθημα -er (αγγλικά)"
  ],
  "etymology_text": ": conditioner < condition + -er",
  "forms": [
    {
      "form": "conditioner"
    },
    {
      "form": "en-noun-s",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "conditioner",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "conditioners",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "πχ air conditioner"
        }
      ],
      "glosses": [
        "κάτι που βελτιώνει"
      ]
    },
    {
      "categories": [
        "Κοσμετολογία (αγγλικά)"
      ],
      "glosses": [
        "το μαλακτικό, η λοσιόν για τα μαλλιά"
      ],
      "raw_tags": [
        "κοσμετολογία"
      ]
    },
    {
      "glosses": [
        "γυμναστής, προπονητής"
      ]
    }
  ],
  "word": "conditioner"
}