competition between countries to achieve superiority in quantity and quality of military arms.
Origin of arms race
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for arms race
the continuing competitive attempt by two or more nations each to have available to it more and more powerful weapons than the other(s)
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