What is the meaning of sashay?

noun

• A square dance figure; partners circle each other taking sideways steps.
• Ballet) quick gliding steps with one foot always leading.
  • synonyms: chasse
• A journey taken for pleasure.
  • usage: "many summer excursions to the shore"; "it was merely a pleasure trip"; "after cautious sashays into the field"
  • synonyms: excursion, jaunt, outing, junket, pleasure trip, expedition

verb

• Move sideways.
  • synonyms: sidle
• To walk with a lofty proud gait, often in an attempt to impress others.
  • usage: "He struts around like a rooster in a hen house"
  • synonyms: tittup, swagger, ruffle, prance, strut, cock
• Perform a chasse step, in ballet.
  • synonyms: chasse