red lips; vermilion lips
Formal or literary term for red lips, often used in poetic or descriptive contexts.
彼女の朱唇が美しく輝いていた。
Her red lips shone beautifully.
Rarely used kanji form; 脣 is a variant of 唇.
Compound of 朱 (shu, 'vermilion, red') and 唇 (shin, 'lips').