noun
person killed in action; the war dead
Refers to individuals who died in war, often used in historical or memorial contexts. Can be singular or collective.
この記念碑は戦死者を追悼するために建てられた。
This monument was built to mourn the war dead.
彼の祖父は戦死者として記録されている。
His grandfather is recorded as a person killed in action.
戦傷者 refers to those wounded in war, not necessarily killed.
Compound of 戦死 (death in battle) + 者 (person).