an armed combat ship disguised as a merchant vessel to attract submarines within attack range.

Origin of Q-ship

1915–20; Q a naval classification

Also called Q-boat.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for q-ship



a merchant ship with concealed guns, used to decoy enemy ships into the range of its weapons

Word Origin for Q-ship

named from q (uery)

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