sashay

Short definition from Wiktionary

Noun

1. 1
   A chassé.
2. 2
   A sequence of sideways steps in a circle in square dancing.

Verb

1. 1
   To walk casually, showily, or in a flirty manner; to strut, swagger or flounce.
2. 2
   To chassé when dancing.
3. 3
   To move sideways.