プログレッシブ和英中辞典(第4版)の解説
ふしょう【負傷】
an injury; a wound [wúːnd]（▼injuryは事故などによるけが，woundは撃たれたり切られたりしたけがをいう）
負傷する get [be] injured; be wounded; get hurt
頭に負傷する
be wounded in the head／suffer a head injury [wound]
交通事故で右肩に負傷した
His right shoulder was injured [hurt] in the traffic accident.
父は空襲のときの負傷がもとで亡くなった
My father died from a wound received during the air raid.
負傷者
「a wounded [an injured] person；〔総称〕the wounded, the injured
列車［交通］事故で10人の負傷者が出た
Ten people were injured [hurt] in the train [traffic] accident.