gunsmoke; smoke of cannon
Refers specifically to smoke produced by artillery or cannon fire. A somewhat literary or historical term; in everyday contexts, 砲火の煙 or 大砲の煙 may be more common.
Gunsmoke hung over the battlefield.
The soldiers advanced through the hail of bullets and gunsmoke.
smoke of guns and rain of bullets; fierce battle scene
Standard kanji spelling for 'gunsmoke'.
Variant using the older form 烟 for 'smoke'; rarely used in modern Japanese.
Compound of 砲 (cannon, artillery) and 煙 (smoke). The reading ほうえん is the standard on'yomi combination.