1.
eldest brother; oldest brother
The oldest male sibling in a family. A formal or literary term used when specifying birth order among brothers.
長兄は医者だ。
My eldest brother is a doctor.
長兄が家業を継いだ。
The eldest brother took over the family business.
三人兄弟の長兄として、いつも弟たちの面倒を見ていた。
As the eldest of three brothers, he always looked after his younger brothers.
A somewhat formal term. In everyday conversation, 一番上の兄 or simply 兄 is more common. 長兄 appears in written Japanese, biographical descriptions, and when explicitly distinguishing among multiple brothers.
RELATED FAMILY TERMS:
- 長姉 — eldest sister
- 次兄 — second eldest brother
- 末弟 — youngest brother
- 長男 — eldest son (emphasizes birth order among sons, not specifically 'brother')
USAGE:
In traditional Japanese families, the 長兄 often had a special role as the expected heir to the family name and business.