a 40-millimeter automatic gun used chiefly as an antiaircraft weapon.
two such guns mounted and fired together as one unit.
Origin of Bofors gun
First recorded in 1935–40; named after Bofors, Sweden, where first made
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an automatic single- or double-barrelled anti-aircraft gun with a 40 millimetre bore
Word Origin for Bofors gun
C20: named after Bofors, Sweden, where it was first made
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