n. 1 helix, coil, corkscrew, screw, scroll; whorl, volute, turn, curl In earlier Greek motifs, the spiral is commoner than the rectangular fret
adj. 2 helical, coiled, screw, corkscrew, cochlear or cochleate; scrolled, volute(d), whorled A spiral staircase is attractive and space-saving, but hard to use