also: ほそごし
noun, noun which may take the genitive case particle 'no'
slender hips; slim waist
Describes a person's narrow waist and hip area; often used in physical descriptions or fashion contexts.
彼女は細腰で、どんな服もよく似合う。
She has a slim waist and looks good in any clothes.
細腰の女性がモデルとして活躍している。
Women with slender hips are active as models.
Compound of 細 (sai, 'slender') and 腰 (yō, 'waist, hips'). The reading さいよう is on'yomi; ほそごし is a kun'yomi-based reading that is less common.