Noun
(military) bomb consisting of an explosive projectile filled with a toxic gas that is released when the bomb explodes
Source: WordNetThe first gas shell exploded near the Nebraskans’ trenches at 10:30 p.m. on Aug. 7. The American soldiers scrambled to don their gas masks and jumped into their protective dugouts as lethal phosgene and mustard gas spewed into the night air. Source: Internet
He was reportedly shot with a tear gas shell on his left check at close range and was rushed to Public Hospital Hatta and was later referred to Raj Medicity, North AOC where he succumbed to the injuries inflicted by the Manipur Police. Source: Internet