noun
the finest example; the best (of)
Figurative use, often in the pattern ~の白眉 to single out the most outstanding work or person in a group. Derived from a classical Chinese story about Ma Liang, whose white eyebrows marked him as the most talented among his brothers.
この映画は彼の作品の中でも白眉だ。
This film is the finest among his works.
今回の展覧会の白眉は、あの大きな彫刻です。
The highlight of this exhibition is that large sculpture.
noun
white eyebrows
Literal, original meaning. Rarely used in modern Japanese outside of historical or descriptive contexts.
老人の白眉が印象的だった。
The old man's white eyebrows were striking.