sa ‧ shay /sæˈʃeɪ/ BrE AmE verb [intransitive always + adverb/preposition]
[ Date: 1800-1900 ; Language: French ; Origin: chassé , from the past participle of chasser ; ⇨ ↑ chase 1 ]
to walk in a confident way, moving your body from side to side, especially so that people look at you
sashay around/along/down etc
Models sashayed down the aisle.