Definition of "reefer" [reef•er]

• A short, heavy, close-fitting, double-breasted jacket. (noun)
• A close-fitting, single-breasted or double-breasted coat. (noun)
• Nautical A person, such as a midshipman, who reefs. (noun)
• Slang Marijuana, especially a marijuana cigarette. (noun)
• Slang A conveyance, such as a railroad car or truck trailer, that carries cargo under refrigeration. (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.

• "Pigtails are they little coiled wires that connect the front of the truck to the back, and a reefer is a refrigerated trailer used to transport food."
• "The reefer was a well-dressed boy, evidently a gentleman's son; but the lieutenant was one of those old weather-beaten sea-dogs, who are seldom employed in boats, unless something more than common is to be done."
• "Comes from: Smoking "reefer," Mr. Carlson says, a play on the bank's name"