noun
elderly spinster; old maid
A somewhat dated or literary term for an unmarried older woman. In modern Japanese, 未婚の高齢女性 or オールドミス are more common, but 老嬢 carries a more formal or old-fashioned tone.
彼女は生涯独身で、村では老嬢と呼ばれていた。
She remained single all her life and was called an old maid in the village.