Definition of "carboy" [car•boy]

• A large glass or plastic bottle, usually encased in a protective basket or crate and often used to hold corrosive liquids. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "· A secondary fermenter - often referred to as the carboy, this should be a glass bottle that can hold at least 1-5 gallons."
• "And even as the liquid flew through the air I knew it for what it was -- undiluted sulphuric acid, two gallons of it from the carboy."
• "And when, this morning, I saw the steward struggling with a five-gallon carboy of sulphuric acid, I never dreamed the use he intended for it."