Last Updated：2025/11/26

A feature that distinguishes the two sexes of a species, but is not directly part of the reproductive system.

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secondary sex characteristic

Source Word

secondary sex characteristic

A feature that distinguishes the two sexes of a species, but is not directly part of the reproductive system.

Japanese Meaning

種の二つの性（雄と雌）を区別するが、生殖器系の直接の一部ではない特徴。例えば、体毛のパターンや体形、声の高さなどが含まれる。

The peacock's long, iridescent tail is a classic secondary sex characteristic that helps attract mates.

クジャクの長く虹色に光る尾羽は、求愛相手を引きつけるのに役立つ典型的な二次性徴です。

Sense（1）

A feature that distinguishes the two sexes of a species, but is not directly part of the reproductive system.

secondary sex characteristics

（ plural ）