Dictionary.com
Thesaurus.com

half-jack

British  

noun

  1. informal a flat pocket-sized bottle of alcohol

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of half-jack

C20: jack, probably from C16 jack a leather-covered vessel, from Old French jaque, of uncertain origin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "half-jack" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com