n.
An automatic antiaircraft gun based on a Swedish design and having a caliber of 37 or 44 millimeters.
[After Bofors, a city of south-central Sweden.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
