The story
From the shape of the bomb when its cylindrical outer shell was hinged open.
Etymology from Wiktionary, CC BY-SA 4.0.
butterfly bomb
Today it means: A German two-kilogram antipersonnel submunition used by the Luftwaffe. Full definition →
Today it means: A German two-kilogram antipersonnel submunition used by the Luftwaffe. Full definition →
From the shape of the bomb when its cylindrical outer shell was hinged open.
Etymology from Wiktionary, CC BY-SA 4.0.