Meaning of basket-handle arch

bas'ket-han•dle arch'

Pronunciation: (bas'kit han"dl, bä'skit-), [key]
— Archit. Archit.
  1. an arch having a symmetrical form drawn from an odd number of radii in excess of one, which increase in length from the springing toward the center. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.