1. Large, heavy glass or plastic bottles, typically holding 5 to 15 gallons, used for storing and transporting liquids such as chemicals, water, or wine.
Usage: Usually plural or used in plural contexts; Often protected by a wooden or plastic crate for safe handling

Examples

• The laboratory stored corrosive acids in glass carboys.
• Water delivery services use large plastic carboys for home and office use.
• The winery shipped wine in protective carboys wrapped in straw.
• Several carboys of distilled water were stacked in the storage room.
• The chemical supplier packed the reagents in carboys for safe transport.