an automatic single- or double-barrelled anti-aircraft gun with a 40 millimetre bore
Word origin
C20: named after Bofors, Sweden, where it was first made
Bofors gun in American English
(ˈboufɔrz, -fɔrs)
noun
1.
a 40-millimeter automatic gun used chiefly as an antiaircraft weapon
2.
two such guns mounted and fired together as one unit
Word origin
[1935–40; named after Bofors, Sweden, where first made]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Arts and Crafts Movement, gangbuster, prime mover, roomette, unit trust