プログレッシブ和英中辞典(第4版)の解説
じゅうさつ【銃殺】
shooting (to death);〔銃殺刑〕execution by (a) firing squad
銃殺する shoot ((a person)) to death; kill ((a person)) by shooting
彼は反逆者として銃殺された
He was shot for treason.
戦犯は銃殺の刑に処せられた
The war criminals were 「executed by a firing squad [sent before the firing squad].