"rocks glass" meaning in English

{
  "etymology_text": "Clipping of earlier on-the-rocks glass, from use of on the rocks as a slang expression for with ice cubes.",
  "forms": [
    {
      "form": "rocks glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rocks glass (plural rocks glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Vessels",
          "orig": "en:Vessels",
          "parents": [
            "Containers",
            "Liquids",
            "Tools",
            "Matter",
            "Technology",
            "Chemistry",
            "Nature",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A short glass tumbler used for serving liquor with ice."
      ],
      "id": "en-rocks_glass-en-noun-SefwGN5l",
      "links": [
        [
          "short",
          "short"
        ],
        [
          "glass",
          "glass"
        ],
        [
          "tumbler",
          "tumbler"
        ],
        [
          "use",
          "use"
        ],
        [
          "serving",
          "serving"
        ],
        [
          "liquor",
          "liquor"
        ],
        [
          "ice",
          "ice"
        ]
      ],
      "synonyms": [
        {
          "word": "rock glass"
        }
      ],
      "wikipedia": [
        "rocks glass"
      ]
    }
  ],
  "word": "rocks glass"
}

{
  "etymology_text": "Clipping of earlier on-the-rocks glass, from use of on the rocks as a slang expression for with ice cubes.",
  "forms": [
    {
      "form": "rocks glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rocks glass (plural rocks glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 2-syllable words",
        "English clippings",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Vessels"
      ],
      "glosses": [
        "A short glass tumbler used for serving liquor with ice."
      ],
      "links": [
        [
          "short",
          "short"
        ],
        [
          "glass",
          "glass"
        ],
        [
          "tumbler",
          "tumbler"
        ],
        [
          "use",
          "use"
        ],
        [
          "serving",
          "serving"
        ],
        [
          "liquor",
          "liquor"
        ],
        [
          "ice",
          "ice"
        ]
      ],
      "wikipedia": [
        "rocks glass"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rock glass"
    }
  ],
  "word": "rocks glass"
}