Her gait is very graceful.
Walk with a model-like posture.
Common spelling using kana for つき, widely used in modern writing.
Kanji spelling for つき; also seen but less common than the mixed kana form.
Compound of 腰 (こし, 'hips, lower back') and 付き (つき, 'attached, with, manner of'), from the verb 付く (つく, 'to attach'). Literally 'the way the hips are attached or carried'.