sling-backPronunciation: (sling'bak"), [key]
Also called sling.
a woman's shoe with an open back and a strap or sling encircling the heel of the foot to keep the shoe secure.
having such a strap or sling: sling-back pumps.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.